26 Questions
What is the origin of the gonadal artery?
Aorta (~L2 vertebral level)
What is the function of the cremasteric artery?
To supply the scrotal wall
Which pelvic artery supplies the region indicated by pin3 (superior bladder)?
Superior vesical arteries
What is the mechanism of thermoregulation in the male reproductive system?
Refer to slide 12 of lecture T2L3
Where do the right and left testicular veins drain?
Right: inferior vena cava (IVC), Left: left renal vein
What is the location of the prostate?
Inferior to the bladder
What is the function of the gubernaculum?
To derive the scrotal ligament
What component of the autonomic innervation mediates contraction of the bladder muscle wall?
Parasympathetic nervous system
What is the primary function of prostatic acid phosphatase (PAP)?
Regulating growth and metabolism of glandular epithelium
What is the source of blood supply to the prostate?
Inferior vesical arteries
Which structures form the ejaculatory ducts?
Seminal duct and ductus deferens
Which erectile body forms the glans of the penis?
Corpus spongiosum
What is the main function of Sertoli cells?
Supporting and nourishing developing sperm cells
What is the origin of spermatogonia?
Primordial germ cells
Which nerve branch provides motor supply to the muscles within the deep and superficial perineal pouches?
Perineal nerves
Which process of cell division do spermatocytes undergo?
Meiosis I and II
What is the primary function of Sertoli cells in the developing gonad?
To secrete factors that promote development of spermatogonia
Which cell population of the developing gonad forms Sertoli cells?
Somatic support cells
What is the function of the cavernous nerves in the male reproductive system?
To induce erection through the parasympathetic nervous system
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
What is the primary function of the internal urethral sphincter?
To prevent retrograde passage of semen into the bladder
What is the innervation of the bulbospongiosus muscle?
Perineal branches of the pudendal nerve
What is the primary function of the bulbospongiosus muscle?
To facilitate the expulsion of seminal fluid
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
What is the result of misexpression of anti-Mullerian hormone or its receptor in the XY individual?
Persistent development of the paramesonephric duct
What is the term for the condition where the paramesonephric duct continues to develop in the XY individual?
Persistent Mullerian duct syndrome
Test your knowledge of the male reproductive system, covering topics such as epididymis, testis, scrotal wall, and spermatic cord.
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