204 DR 2: Male Pelvic Region

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What is the origin of the gonadal artery?

External iliac artery
Internal iliac artery
Aorta (~L2 vertebral level) (correct)
Common iliac artery

What is the function of the cremasteric artery?

To drain into the spermatic cord
To innervate the internal urethral sphincter
To supply the scrotal wall (correct)
To regulate the temperature of the testes

Which pelvic artery supplies the region indicated by pin3 (superior bladder)?

Middle rectal artery
Superior vesical arteries (correct)
Inferior vesical arteries
Internal pudendal artery

What is the mechanism of thermoregulation in the male reproductive system?

Refer to slide 12 of lecture T2L3 (B) Signup and view all the answers

Where do the right and left testicular veins drain?

Right: inferior vena cava (IVC), Left: left renal vein (D) Signup and view all the answers

What is the location of the prostate?

Inferior to the bladder (B) Signup and view all the answers

What is the function of the gubernaculum?

To derive the scrotal ligament (C) Signup and view all the answers

What component of the autonomic innervation mediates contraction of the bladder muscle wall?

Parasympathetic nervous system (C) Signup and view all the answers

What is the primary function of prostatic acid phosphatase (PAP)?

Regulating growth and metabolism of glandular epithelium (B) Signup and view all the answers

What is the source of blood supply to the prostate?

Inferior vesical arteries (C) Signup and view all the answers

Which structures form the ejaculatory ducts?

Seminal duct and ductus deferens (D) Signup and view all the answers

Which erectile body forms the glans of the penis?

Corpus spongiosum (B) Signup and view all the answers

What is the main function of Sertoli cells?

Supporting and nourishing developing sperm cells (A) Signup and view all the answers

What is the origin of spermatogonia?

Primordial germ cells (C) Signup and view all the answers

Which nerve branch provides motor supply to the muscles within the deep and superﬁcial perineal pouches?

Perineal nerves (B) Signup and view all the answers

Which process of cell division do spermatocytes undergo?

Meiosis I and II (C) Signup and view all the answers

What is the primary function of Sertoli cells in the developing gonad?

To secrete factors that promote development of spermatogonia (B) Signup and view all the answers

Which cell population of the developing gonad forms Sertoli cells?

Somatic support cells (C) Signup and view all the answers

What is the function of the cavernous nerves in the male reproductive system?

To induce erection through the parasympathetic nervous system (A) Signup and view all the answers

What is the primary function of the sympathetic nervous system in the male reproductive tract?

To regulate the smooth muscle contraction in the male reproductive tract (A) Signup and view all the answers

What is the primary function of the internal urethral sphincter?

To prevent retrograde passage of semen into the bladder (B) Signup and view all the answers

What is the innervation of the bulbospongiosus muscle?

Perineal branches of the pudendal nerve (A) Signup and view all the answers

What is the primary function of the bulbospongiosus muscle?

To facilitate the expulsion of seminal fluid (B) Signup and view all the answers

What is the cause of degradation of the paramesonephric ducts in the XY individual?

Due to presence of anti-Mullerian hormone released by Sertoli cells (A) Signup and view all the answers

What is the result of misexpression of anti-Mullerian hormone or its receptor in the XY individual?

Persistent development of the paramesonephric duct (C) Signup and view all the answers

What is the term for the condition where the paramesonephric duct continues to develop in the XY individual?

Persistent Mullerian duct syndrome (B) Signup and view all the answers