Male Reproductive Anatomy Quiz

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WIKIQUIZ

Questions reviewed by: David Bainbridge, VetMB MA PhD MRCVS
David Kilroy MVB CVMA MRCVS


1

Which domestic species has a mushroom-shaped glans penis with a slight protrusion of the urethral process?

Please select an option Incorrect. The bull has a glans penis with a slightly spiralled end. The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. WikiVet Article: penis. Incorrect. The boar has a corkscrew shaped glans penis with a left hand thread. The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. WikiVet Article: penis. Correct! The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. WikiVet Article: penis. Incorrect. The ram has a glans penis with a large extension of the urethral process. The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. WikiVet Article: penis. Incorrect. The dog has a substantial glans penis which is divided into the bulbus glandis found proximally and the pars longa glandis found distally. The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. WikiVet Article: penis.

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2

What structure is responsible for testicular descent during development?

Please select an option Incorrect. The tunica albuginea is a connective tissue layer containing some smooth muscle fibres. Contraction and relaxation of these fibres results in a pumping action facilitating the flow of spermatozoa through the tubules of the testes. The translocation of the testis is the result of growth and contraction of the gubernaculum testis which is a ligamentous structure extending from the site of the future scrotum, through the inguinal ring to the caudal testis. The gubernaculum testis regresses and leaves behind remnants which can be found in the adult; the proper ligament of the testis and the ligament of the tail of the epididymis. WikiVet Article: testes. Incorrect. The inguinal canal is the structure through which the testes descend from the abdomen into the scrotum. The translocation of the testis is the result of growth and contraction of the gubernaculum testis which is a ligamentous structure extending from the site of the future scrotum, through the inguinal ring to the caudal testis. The gubernaculum testis regresses and leaves behind remnants which can be found in the adult; the proper ligament of the testis and the ligament of the tail of the epididymis.WikiVet Article: testes. Incorrect. The vaginal tunic is made up of parietal and visceral layers of peritoneum which are dragged into the scrotum during testicular descent. The translocation of the testis is the result of growth and contraction of the gubernaculum testis which is a ligamentous structure extending from the site of the future scrotum, through the inguinal ring to the caudal testis. The gubernaculum testis regresses and leaves behind remnants which can be found in the adult; the proper ligament of the testis and the ligament of the tail of the epididymis. WikiVet Article: testes. Incorrect. The tunica dartos muscle is responsible for holding the testes close to the body during cold temperatures and letting the testes lower in hot weather. The translocation of the testis is the result of growth and contraction of the gubernaculum testis which is a ligamentous structure extending from the site of the future scrotum, through the inguinal ring to the caudal testis. The gubernaculum testis regresses and leaves behind remnants which can be found in the adult; the proper ligament of the testis and the ligament of the tail of the epididymis. WikiVet Article: testes. Correct! The translocation of the testis is the result of growth and contraction of the gubernaculum testis which is a ligamentous structure extending from the site of the future scrotum, through the inguinal ring to the caudal testis. The gubernaculum testis regresses and leaves behind remnants which can be found in the adult; the proper ligament of the testis and the ligament of the tail of the epididymis. WikiVet Article: testes.

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3

The tom cat has which accessory sex glands?

Please select an option Incorrect. This combination of accessory sex glands is not present in any of the domestic species. The tom cat has ampullary, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. The bull and stallion have ampullary, vesicular, prostate and bulbourethral glands. The tom cat has ampullary, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. The boar has vesicular, prostate and bulbourethral glands. The tom cat has ampullary, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Correct! All mammals have prostate glands but tom cats have ampullary and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. The dog has prostate glands only whilst the tom cat has ampullary, prostate and bulbourethral glands. WikiVet Article: accessory sex glands.

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4

The boar has which accessory sex glands?

Please select an option Incorrect. The tom cat has ampullary, prostate and bulbourethral glands. The boar has vesicular, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Correct! All mammals have prostate glands but the boar has vesicular and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. The dog has prostate glands only whilst the boar has vesicular, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. The bull and stallion have ampullary, vesicular, prostate and bulbourethral glands. The boar has vesicular, prostate and bulbourethral glands. WikiVet Article: accessory sex glands. Incorrect. This combination of accessory sex glands is not present in any of the domestic species. The boar has vesicular, prostate and bulbourethral glands. WikiVet Article: accessory sex glands.

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5

Which species' only accessory sex gland is the prostate?

Please select an option Correct! The prostate is a singular gland found at the junction between the bladder and the urethra. All mammals have a prostate gland but the dog is the only domestic species which has no other accessory sex glands. WikiVet Article: accessory sex glands. Incorrect. The bull does have a prostate but also has ampullary, vesicular and bulbourethral glands. All mammals have a prostate gland but the dog is the only domestic species which has no other accessory sex glands. WikiVet Article: accessory sex glands. Incorrect. The tom cat does have a prostate but also has ampullary and bulbourethral glands. All mammals have a prostate gland but the dog is the only domestic species which has no other accessory sex glands. WikiVet Article: accessory sex glands. Incorrect. The boar does have a prostate but also has vesicular and bulbourethral glands. All mammals have a prostate gland but the dog is the only domestic species which has no other accessory sex glands. WikiVet Article: accessory sex glands. Incorrect. The stallion does have a prostate but also has ampullary, vesicular and bulbourethral glands. All mammals have a prostate gland but the dog is the only domestic species which has no other accessory sex glands. WikiVet Article: accessory sex glands.

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6

Which domestic species has a glans penis with a large extension of the urethral process?

Please select an option Incorrect. The dog has a substantial glans penis which is divided into the bulbus glandis found proximally and the pars longa glandis found distally. The ram has a glans penis with a large extension of the urethral process. WikiVet Article: penis. Incorrect. The boar has a corkscrew shaped glans penis with a left hand thread. The ram has a glans penis with a large extension of the urethral process. WikiVet Article: penis. Correct! The ram has a glans penis with a large extension of the urethral process. WikiVet Article: penis. Incorrect. The stallion has a mushroom-shaped glans penis with a slight protrusion of the urethral process. The ram has a glans penis with a large extension of the urethral process. WikiVet Article: penis. Incorrect. The bull has a glans penis with a slightly spiralled end. The ram has a glans penis with a large extension of the urethral process. WikiVet Article: penis.

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