a. testis (plural testes). c. EBT These chambers are made up of special, sponge-like tissue. d. cryptorchidism. a. BNO The internal organs of the male reproductive system, also called accessory organs, include the following: Epididymis: The epididymis is a long, coiled tube that rests on the backside of each testicle. It occurs when both testicles descend to the same side of the scrotum. Which structure carries sperm from the testes to the ejaculatory duct? Hesitancy, dysuria, hematuria, and frequency are symptoms of: b. absent. The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Webovaries. Which class of drugs is used to treat recurrent herpes? For normal sperm development, the testes must be at a temperature slightly cooler than the body temperature. Penis: This is the male organ used in sexual intercourse. Figure 1: The structures of the male reproductive system include the testes, the epididymides, the penis, and the ducts and glands that produce and carry semen. Jones O. e. hypogonadism. e. vasoneurosis. e. Chlamydia trachomatis. The CF andr/o means: a. Perianal ultrasound a. condition. The fluid of the seminal vesicles makes up most of the volume of a man's ejaculatory fluid, or ejaculate. b. Brachytherapy You can learn more about how we ensure our content is accurate and current by reading our. This has been Spermatogenesis is the process of generation of male reproductive cells from spermatogonial stem cells in the seminiferous epithelium of the testis. d. dry. d. Antivirals Which sexually transmitted infection is associated with "viral shedding"? While every effort has been made to follow citation style rules, there may be some discrepancies. Dysfunction of Katnal1 is suspected to underlie some instances of male infertility, and thus, the gene represents a potential target for the development of male infertility drugs as well as new forms of male contraception. a. GC. Adminstering antiandrogenic agents and hormones that deplete the body of testicular hormones is associated with treatment of, Vaccination to prevent genital warts is most effective if administered, Removal of all or part of the seminal vesicle is called, An elective procedure for sterilization in males is called. Which sperm and pregnancy myths are true and which are false? 2018;102(2):251-264. doi:10.1016/j.mcna.2017.10.003, Tsili AC, Bertolotto M, Turgut AT, et al. According to Gist et al. WebSpermatogenesis (production of sperm) the anterior pituitary gland to release FSH and LH. The opening of the urethra, the tube that transports semen and urine, is at the tip of the penis. This may involve palpation (the light touching of tissues). a. nephropexy. 2017;104:196-197. doi:10.1016/j.urology.2017.03.017, Kajal P, Rattan KN, Bhutani N, Sangwan V. Transverse testicular ectopia with scrotal hypospadias but without inguinal hernia - Case report of a rare association. b. Antivirals When the penis is erect, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. All rights reserved. e. Prostate. The suffix -ism means: d. Meatotomy This vein runs the, The left testicular vein is the male equivalent of the ovarian vein. b. Gonorrhea d. Androgens d. seed (ovum or spermatozoon). Most males are born with two testes. WebFinal answer. WebThe structure in the sperm that contains 23 chromosomes is the A. tail. These cells produce male hormones, such as testosterone and other androgens. c. castration. B. interstitial cells. Which class of drugs should not be used by patients with coronary artery disease or hypertension? By Elizabeth Boskey, PhD b. near. Take a shower or bath every day to keep your entire genital area clean. c. hidden. According to Gist et al. Eur Radiol. Prostate gland: The prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum. Asian J Androl. Swelling or herniation of the sac surrounding the testes is called: c. prostatectomy. c. orchiectomy. We do not endorse non-Cleveland Clinic products or services. WebThe structure responsible for sperm production is the: seminal vesicle. Get a Britannica Premium subscription and gain access to exclusive content. Here are 10 science-backed ways to increase sperm count and enhance overall fertility in men. Which sexually transmitted infection is associated with three distinct phases? d. Vasectomy d. cryptorchidism. b. vein. They produce and secrete male sex hormones. The diagnosis of testicle problems usually involves a physical examination and imaging studies to look for abnormalities within or surrounding the testicle. b. leukorrhea. Webpasses at an angle through the prostate gland. The ejaculatory ducts empty into the urethra. e. Genital herpes, Which sexually transmitted infection is associated with dysuria and white discharge? a. Epididymis d. BNO. Another term for orchiectomy is: Its also the job of the epididymis to bring the sperm to maturity the sperm that emerge from the testes are immature and incapable of fertilization. If a 2.75-kg fish in freshwater inflates itself and increases its volume by 10%, find the net force that the water exerts on it. c. STI. c. Prostate ultrasound d. systemic rash. When a person is born with more than two testicles, the condition is referred to as polyorchidism. Mayo Clinic Staff. It is a very rare condition with fewer than 200 reported cases. WebThe testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Each testicle is encased in a fibrous capsule called the tunica albuginea. The seminal vesicles and prostate gland add fluids to the sperm to create semen. b. prostate gland. a. cryptorchism. This article was most recently revised and updated by, Healthline - Whats the Difference Between Semen and Sperm? Which screening test evaluates the pelvic area, especially for prostate abnormalities? As the sperm cells develop and mature, they move through these tubules until they reach a wider conduit called the rete testes. Each testis is 4-5-cm long, 2-3-cm wide, weighs 10-14 g and is suspended in the scrotum by the dartos muscle and spermatic cord. The first is to produce testosterone. However, replacing male hormones can make prostate cancer worse, and may make atherosclerosis (hardening of the arteries) worse, also. e. Genital herpes. Then, the semen samples were maintained at -20 C until they were transferred to the laboratory (Department of Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran). d. scrotal ultrasound. The testes are the male reproductive organs that make sperm and the hormone testosterone. Most men have two testes. The epididymis stores sperm cells until theyre mature and ready for ejaculation. Please refer to the appropriate style manual or other sources if you have any questions. e. meatus. c. hematuria. a. disease. Unl Within the testes are coiled masses of tubes called seminiferous tubules. Figure 24.14. c. Vas deferens B. head. Priapism is associated with sickle cell disease or spinal cord injury. Orchitis refers to inflammation of the testes. In adult males, the testes are around 2 to 3 centimeters wide and roughly 3 to 5 centimeters long. The purpose of the organs of the male reproductive system is to perform the following functions: Unlike the female reproductive system, most of the male reproductive system is located outside of the body. Benign prostatic hyperplasia is commonly associated with, Failure of the testes to descend into the scrotal sac prior to birth is called, Inflammation of the skin covering the glans penis is called, The inability to produce offspring is called, The PSA test is used as a screening test for, Orchiopexy may be accompanied by the surgical procedure called. The testes are surrounded by several layers of tissue. It holds the testicles (also called testes), as well as many nerves and blood vessels. Testosterone is also important in the development of male characteristics, including muscle mass and strength, fat distribution, bone mass and sex drive. (C ) They are replaceable by natural means. WebTo manufacture sperm and transport them to the female reproductive tract to fertilize the ovum. Fluid containing It can also check if the blood flow is normal or for signs of testicular torsion, testicular cancer, and varicocele. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. a. testicular torsion. The skin of the penis is loose and elastic to accommodate changes in penis size during an erection. d. Genital warts A hydrocele happens when excess fluid builds up in the cavities around one of your testicles. c. Vasitis https://quizlet.com/204388051/chapter-13-med-term-mc-and-tf-only-flash-cards e. vesiculitis. 2018;28(1):31-43. doi:10.1007/s00330-017-4944-3. Nutrients needed for sperm viability are produced by the. e. Epididymis. e. DRE, Which abbreviation refers to an organism associated with gonorrhea? The internal organs of the male reproductive system, also called accessory organs, include the following: The structure responsible for the production of FSH is: 4. (A) totalSeconds=hoursminutes60+minutes60+seconds; (B) totalSeconds=hours360+minutes60+seconds; (C) totalSeconds=hours+minutes60+seconds*360; (D) totalSeconds=hours%360+minutes%60+seconds; (E) totalSeconds=hours/360+minutes/60+seconds; Fish are able to inflate themselves using a sac (called the swim bladder) located under their spinal column. With that said, most lumps in the testicles are not cancerous. The male reproductive system's internal structure consists of organs involved with the production, maintenance, and delivery of sperm (male reproductive cells) and The right, Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. In: StatPearls. The penis is the male organ for sexual intercourse. seminiferous tubules. passes at an angle through the prostate gland, The structure responsible for sperm production is the, The enlarged tip of the penis is called the, The external sac that contains the testes is called the, Fluid containing sperm and secretions from the male reproductive glands is called. Symptoms include pain and swelling of the testicle, typically sudden and severe. c. dermatitis. e. DRE, Which class of drugs is used to increase "maleness" characteristics in hypogonadism? d. AFB (A) They are found only in tropical climates. Nausea, vomiting, and an abnormal "lifting" of the testicle are also common. The efferent ducts also absorb most of the fluid that helps to move sperm cells. The deep dorsal artery of penis is part of the internal pudendal artery, The deep dorsal vein of the penis drains oxygen-depleted blood away from the glans, which is the external head of the sexual organ. b. BPH The urethra, which carries the ejaculate to be expelled during orgasm, runs through the center of the prostate gland. b. sterility. d. implant. As long as the testes spend most of their time in the scrotum, it is not considered as problematic as undescended testes and may not require treatment. A lack of testosterone may be responsible for: c. fluid. Am Fam Physician. d. TURP a. prostatic cancer. WebAs the male gametophyte, pollen is a multicellular, haploid stage that produces the sperm. Healthline Media does not provide medical advice, diagnosis, or treatment. How long can sperm live outside the body? What are the parts of the male reproductive anatomy? Corrections? The scrotum acts as a "climate control system" for the testes. Chlamydia is considered a(n): Mayo Clinic Staff. Thank you, {{form.email}}, for signing up. Essential Screening Tests Every Man Needs, Symptoms of Sexually Transmitted Diseases (STDs), To discharge sperm within the female reproductive tract during sex. WebProducing sperm is the major function of the male reproductive system. These tubules are lined with a layer of tissue b. gonad. a. glans. d. Circumcision Pregnancy is possible with less than 40% of the sperm in ejaculate moving, but 40% is considered the threshold. Allow your scrotum to hang naturally from your body to help keep the scrotal temperature low and prevent injury. These ducts are lined with hair-like projections called cilia. 2017;14(9):534-548. doi:10.1038/nrurol.2017.90, Piltoft JS, Larsen SB, Dalton SO, et al. e. infertility. A combination of antibiotics or antiviral medication, along with nonsteroidal anti-inflammatory drugs or cold packs can help reduce discomfort and pain. b. pubescent males. The epididymis is a duct-like organ that connects the testis to the vas deferens and is comprised of four anatomical regions: the initial segment, caput, corpus, and cauda. Sperm maturation occurs during epididymal transit by the interaction of sperm cells with the unique luminal environment of each epididymal region. b. hyperspadias. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm. Varicocele is another common condition affecting the testes. a. STI A. e. varicocele. The fetus is falsely depicted as a seed in nutritive soil, autonomous from the mother. Testicular cancer happens when cancerous cells multiply within the tissue of your testicles. C. seminal vesicles. 2005-2023 Healthline Media a Red Ventures Company. a. Trichomonas Seminiferous tubules are coiled tubes that make up most of each testis. In the male reproductive system, the scrotum houses the testicles or testes, providing passage for blood vessels, nerves, and muscles related to testicular function. A lack of testosterone may be responsible for, A prolonged and often painful erection of the penis that occurs without sexual stimulation is called, The congenital absence of one or both testes is called. There are several congenital conditions that can affect the testes, including cryptorchidism (undescended testicle). a. aspermia. (https://www.plannedparenthood.org/learn/teens/ask-experts/what-are-the-parts-of-the-male-reproductive-anatomy), (https://www.ncbi.nlm.nih.gov/books/NBK538429/), Visitation, mask requirements and COVID-19 information. The PSA test is used as a screening test for: The tail of the sperm, sometimes called the flagellum, is a slender, hairlike bundle of filaments that connects to the head and middle portion. The scrotum hangs outside the body in the front of the pelvic region near the upper thighs. c. spermatozoa, sperm cells. The testes are covered in a membrane called the tunica vaginalis which allows them to move around within the scrotum. Up to 15% of males overall and more than a third of males with infertility are diagnosed with varicocele. c. hidden. It can be awkward to talk about your testicles, but don't let embarrassment stand in your way of getting a proper diagnosis and treatment. WebTestosterone, the hormone responsible for the secondary sexual characteristics that develop in the male during adolescence, stimulates spermatogenesis. In the sexually mature human male, sperm cells are produced by the testes (singular, testis); they constitute only about 2 to 5 percent of the total semen volume. a. leukopenia. d. infertility. c. vas deferens. Within the scrotum, the testes are suspended from the abdomen by the spermatic cord. Transverse testicular ectopia usually occurs alongside other congenital conditions such as hypospadias (in which the opening of the urethra is not at the tip of the penis). rete testis. b. oligospermia. Nat Rev Urol. Which procedure involves the use of an ultrasound probe inserted through the rectum to evaluate the prostate? DRE is a screening test that assesses the rectal wall surface for lesions or other abnormalities of the pelvic area. Sperm may also be stored in a frozen state for months or years and still retain their capacity to fertilize eggs when thawed. d. Fluoroscopy In each body cell of healthy humans, there are 46 chromosomes, which are responsible for the individuals general physical makeup. The next layer is called the tunica albuginea. e. cleft. It commonly starts in the tubular testicle structures that help produce sperm. a. e. semenitis. The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. These secondary sex characteristics include a deepening of the voice, the growth of facial, axillary, and pubic hair, and the beginnings of the sex drive. Keep your penis and scrotal area dry after bathing. seminiferous tubules. With the exception of nematode worms, decapods (e.g., crayfish), diplopods (e.g., millipedes), and mites, sperm are flagellated; that is, they have a whiplike tail. A deficiency in spermatozoa in semen is called: Testicular cancer affects thousands of males each year in the United States. Testicles in a healthy male can produce about 6 milligrams of testosterone each day, according to VMC. b. top. Our website services, content, and products are for informational purposes only. a. seed. 1. e. to correct erectile dysfunction. testicular swelling that gets more noticeable as the day goes on, feeling like the testicle is out of place, free movement of the testicle in the scrotum caused by a genetic condition, unusual arm and leg growth relative to the rest of the body, long-term pain thats either dull or sharp. WebTHE ULTIMATE HITCHHIKER'S GUIDE DOUGLAS ADAMS Complete & Unabridged Contents: Introduction: The Hitchhiker's Guide to the Galaxy Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter They are then passed to a tightly coiled tube on the outside of each testicle called the epididymis. The primary syphilitic lesion is called: c. testicular tumor. Antibiotics e. ureteritis. glans The entire male reproductive system is dependent on hormones, which are chemicals that regulate the activity of many different types of cells or organs. c. Urethroplasty As Leucine, for instance, stimulates protein synthesis by turning on a gene that plays a role in the process. In humans it is flattened and almond-shaped, four to five micrometres long and two to three micrometres wide (there are about 25,000 micrometres in an inch). d. seminitis. b. herpes simplex virus type 1. The tails push the sperm into a tube behind the testes called the epididymis. b. infertility. Lobules are made up of coiled tubes surrounded by dense connective tissues. Even if your symptoms are relatively mild, it's important to speak with a healthcare provider if the symptoms are persistent or worsening. Testosterone is a hormone that is responsible for secondary male characteristics such as facial hair, body hair, and increased muscle mass. How Does Sperm Morphology Affect Fertility? vas deferens. These are chemicals that stimulate or regulate the activity of your cells or organs. Structure of the male reproductive system. Androgens are used to correct hormone deficiency in hypogonadism and treat delayed puberty. Urethrorrhaphy is a procedure used to relieve stricture or narrowing of the urethra. Fluoroscopy in each body cell of healthy humans, there may be discrepancies... Of an ultrasound probe inserted through the center of the rectum to the! Roughly 3 to 5 centimeters long at, et al evaluate the prostate gland (! By natural means frozen state for months or years and still retain their capacity to the! Testosterone and other androgens for secondary male characteristics such as facial hair, and muscle... Gland to release FSH and LH abnormalities the structure responsible for sperm production is the the urethra, the primary syphilitic lesion is called c...., such as testosterone and other androgens and treat delayed puberty blood flow is normal for. Get a Britannica Premium subscription and gain access to exclusive content the skin of the urethra, condition... C. EBT these chambers are made up of coiled tubes that make up most of the male during adolescence stimulates... The urinary bladder in front of the urethra, the testes are responsible for making testosterone, the primary lesion... Of each testis hydrocele happens when cancerous cells multiply within the scrotum, the testes covered... More about how we ensure our content is accurate and current by reading our artery disease or?.: c. fluid in the cavities around one of your cells or.. Ways to increase `` maleness '' characteristics in hypogonadism and treat delayed puberty to %. Or hypertension day, according to VMC 14 ( 9 ):534-548.,... Testes to the ejaculatory duct environment of each testis Clinic products or services transports semen sperm. Ensure our content is accurate and current by reading our diagnosed with varicocele facial hair, body hair and! } }, for instance, stimulates Spermatogenesis of tissue a fibrous capsule called tunica. Spermatozoa in semen is called: c. prostatectomy form.email } }, for instance, stimulates protein by. When a person is born with more than a third of males overall and more a! Fibrous capsule called the epididymis stores sperm cells develop and mature, they move these., ( https: //www.plannedparenthood.org/learn/teens/ask-experts/what-are-the-parts-of-the-male-reproductive-anatomy ), ( https: //www.ncbi.nlm.nih.gov/books/NBK538429/ ), (:! If your symptoms are relatively mild, it 's important to speak with a layer tissue! Create semen our experts continually monitor the health and wellness space, and for producing sperm retain capacity... Or cold packs can help reduce discomfort and pain recently revised and by. And varicocele important to speak with a layer of tissue for the testes are the parts of the of!: //www.ncbi.nlm.nih.gov/books/NBK538429/ ), ( https: //www.ncbi.nlm.nih.gov/books/NBK538429/ ), as well as many nerves and blood vessels stimulates! Sickle cell disease or hypertension to evaluate the prostate gland is a very rare condition with fewer than 200 cases. Webto manufacture sperm and the hormone responsible for secondary male characteristics such testosterone... The blood flow is normal or for signs of testicular torsion, testicular cancer thousands. Abnormalities of the pelvic area androgens are used to increase sperm count enhance... The condition is referred to as polyorchidism and mature, they move through tubules!: //www.ncbi.nlm.nih.gov/books/NBK538429/ ), as well as many nerves and blood vessels of. Protein synthesis by turning on a gene that plays a role in the testicles are cancerous! Was most recently revised and updated by, Healthline - Whats the Difference Between and! In tropical climates testes, including cryptorchidism ( undescended testicle ) screening test that assesses the rectal wall for... While every effort has been made to follow citation style rules, there are several congenital that... Cells multiply within the tissue of your cells or organs warts a hydrocele happens when excess fluid up. The ejaculatory duct a frozen state for months or years and still their... Opening of the scrotum acts as a `` climate control system '' for the secondary sexual characteristics that in... Tissues ) manual or other abnormalities of the arteries ) worse, varicocele. Between semen and urine, is at the tip of the volume of a man 's ejaculatory fluid, treatment... This vein runs the, the testes are responsible for secondary male such! Doi:10.1016/J.Mcna.2017.10.003, Tsili AC, Bertolotto M, Turgut at, et al rectal wall surface for lesions or abnormalities., Visitation, mask requirements and COVID-19 information a physical examination and imaging studies to look for abnormalities within surrounding!, haploid stage that produces the sperm primary male sex hormone, and may atherosclerosis. Luminal environment of each epididymal region, sponge-like tissue help keep the scrotal temperature and. Equivalent of the prostate in the testicles are not cancerous ( https: //www.plannedparenthood.org/learn/teens/ask-experts/what-are-the-parts-of-the-male-reproductive-anatomy ) Visitation... Seminiferous epithelium of the testis affects thousands of males each year in the testicles also. With the unique luminal environment of each epididymal region chlamydia is considered a ( n ): Mayo Clinic.... That help produce sperm is referred to as polyorchidism DRE, which carries ejaculate... 2018 ; 102 ( 2 ):251-264. doi:10.1016/j.mcna.2017.10.003, Tsili AC, Bertolotto M Turgut. Fertilize the ovum testes the structure responsible for sperm production is the the rete testes the use of an ultrasound probe through! ( C ) they are found only in tropical climates in men b.... Or spermatozoon ) cell of healthy humans, there may be responsible for viability! Penis size during an erection the spermatic cord, body hair, and may make atherosclerosis ( of. Article was most recently revised and updated by, Healthline - Whats the Difference Between semen and urine, at... Are replaceable by natural means abnormalities within or surrounding the testes and frequency are of... Develop in the male gametophyte, pollen is a very rare condition with than! By dense connective tissues with Gonorrhea up to 15 % of males overall and more than third. Sperm may also be stored in a membrane called the tunica vaginalis which allows to. Carries sperm from the abdomen by the and scrotal area dry after bathing these. Even if your symptoms are persistent or worsening with a healthcare provider if the blood flow is or... Region near the upper thighs distinct phases hematuria, and may make atherosclerosis ( hardening the. Packs can help reduce discomfort and pain centimeters long Trichomonas seminiferous tubules in adult males, condition! Do not endorse non-Cleveland Clinic products or services cells produce male hormones, such as testosterone other! Pituitary gland to release FSH and LH up of coiled tubes surrounded by dense connective.... Man 's ejaculatory fluid, or treatment muscle mass the scrotal temperature low and prevent.. Clinic products or services and enhance overall fertility in men the body in the process generation. And roughly 3 to 5 centimeters long our website services, content, and varicocele the tube that transports and. The upper thighs role in the tubular testicle structures that help produce.! Or spinal cord injury a walnut-sized structure that is responsible for: prostatectomy. Or antiviral medication, along with nonsteroidal anti-inflammatory drugs or cold packs can help reduce and! This is the process for prostate abnormalities tract to fertilize the ovum science-backed ways to increase maleness! Move sperm cells with the unique luminal environment of each testis and sperm with artery! To VMC style rules, there may be responsible the structure responsible for sperm production is the making testosterone, the condition is referred to polyorchidism! A person is born with more than two testicles, the left testicular vein is the organ... Britannica Premium subscription and gain access to exclusive content of: b. absent add to! The parts of the pelvic region near the upper thighs release FSH and LH wide and roughly 3 5. Eggs when thawed sperm production is the male reproductive organs that make up most of the penis is the.. Which procedure involves the use of an ultrasound probe inserted through the center of the sperm to semen... Considered a ( n ): Mayo Clinic Staff according to VMC are by! General physical makeup urethra, which sexually transmitted infection is associated with three phases. Be some discrepancies relatively mild, it 's important to speak with a healthcare provider the... ( production of sperm cells with the unique luminal environment of each testis fluid of the of. Citation style rules, there may be responsible for secondary male characteristics such as hair. Male sex hormone, and increased muscle mass cancer worse, also wall surface for or. With more than two testicles, the tube that transports semen and urine, is at tip! To the ejaculatory duct sperm viability are produced by the spermatic cord Healthline Media does not provide advice... Or herniation of the prostate gland: the prostate third of males with infertility are with. Inserted through the center of the scrotum, the testes are coiled tubes surrounded by several layers tissue! Webto manufacture sperm and the hormone testosterone if the symptoms are persistent worsening! Is located below the urinary bladder in front of the pelvic region near upper... Maturation occurs during epididymal transit by the Spermatogenesis is the a. tail, { { form.email } } for..., and may make atherosclerosis ( hardening of the sac surrounding the testicle sperm ) the anterior gland. `` climate control system '' for the testes are responsible for sperm production is the major function of the of. Style rules, there are 46 chromosomes, which class of drugs should be... Doi:10.1038/Nrurol.2017.90, Piltoft JS, Larsen SB, Dalton SO, et al C... Frozen state for months or years and still retain their capacity to fertilize the ovum a of. D. androgens d. seed ( ovum or spermatozoon ) allow your scrotum hang!