Testicular Descent and Spermatic Cord Flashcards
what two males structures meet in the posterior bladder near the prostate gland?
seminal vesicle and vas deferens
Which mesoderm forms the urogenital system? where does it lie?
intermediate mesoderm
between paraxial and lateral mesoderms
which cells produce testosterone?
interstitial / Leydig cells
which cells produce MIS?
sertoli cells
where do the testes develop?
extraperitoneal connective tissue of the posterior abdominal wall
what does the gubernaculum connect?
developing testesto the anterior abdominal wall in the region of the deep rings on the inguinal canal
what is the gubernaculum involved in?
the descent of the testes to the labiosacral swellings (scrotum)
what is the inguinal canal?
forms pathways for the testes to descend from their intra-addominal position through the anterior abdominal wall and into the scrotum
what is the processes vaginalis?
an evagination of peritoneum, develops ventral to the gubernaculum and carries fascial layers of the abdominal wall before it
what are the factors responsible for the descent of testes?
hormonal - gonadotropic hormones
differential growth
gubernaculum testes
intraabdominal pressure
what are the contents of the spermatic cord?
ductus deferens testicular a. a. of ductus deferens cremastric a. paminiform venous plexus symp. nerve fibers gential branch of the genitoformal n. lymphatic vessels remnants of processus vaginalis
what is cryptochism?
hidden testes - due to defective gubernaculum or hormonal failure = arrested descent
What is ectopic testes?
o testes is seen in thigh or ab. wall or perineum or pubic due to abnormal tails of gubernaculum
What is congenital indirect inguinal hernia?
Intestinal loop herniates into the cavity of the tunica vaginalis through an unclosed processus vaginalis
What is encysted hydrocele of the cord?
o fluid collects in middle unclosed part of processus vaginalis
