Male Reproductive Anatomy Flashcards
What creates the internal ureathral spincter muscle?
detrusor muscle
what is the function of the internal urethral sphincter?
prevent retrograde ejaculation
What are the 3 layers of coverings around the spermatic cord?
internal spermatic fascia; cermasteric fascia and external spermatic fasica
What is a hydrocele?
excess fluid within the tunica vaginalis
What is the sac the testis sit within in the scrotum?
tunica vaginalis
What muscle helps control temperature in testis?
dartos muscle
Where do sperm pass from the seminiferous tubules?
rete testis
What are the functions of the dartos muscle?
wrinkle/thicken scrotal skin; reduce SA of scrotum ato maintin temp in cold
Where does the vas deferens begin?
tail of epididymis at the inferior pole of the testis
Where is the epididymis located in relation to the testis?
posteiror
Where does the left testicular vein drain>
left renal vein
Where does the right testicular vein drain?
IVC
What is the function of the bulbourethral gland?
mucus secretion; lubricates urethra and neutralises acidity
What is the ejaculatory duct?
combined duct of the vas deferens and duct from seminal gland
Where do most prostate cancers develop from?
peripheral zone
What is the anatomical position of hte penis?
erect
What is the prepuce?
foreskin
What is the root of the penis attached laterally to?
ischium of pelvis
What are the 3 cylinders of erectile tissue in the penis?
2x corpus cavernosum; corpus spongiosum
What does the corpus spongiosum form distally?
glans penis
Where is the superficial perineal pouch located?
below the perineal membrane
what is the found within the supericial perineal pouch?
bulb and crura and associated muscles; prox spongy urethral
What does the bulb become?
corpus spongiosum
What does the crua become?
corpus cavernosum
What muscles are found within the male superifical perineal pouch?
superficial transverse perineal muscle; bulbospongiosus and ischiocavernosus
What artery are the deep arteries of the penis derived from?
internal pudendal artery
What is the blood supply to the scrotum?
internal pudendal and branches of the external iliac
Where does lymph from scrotm and most of penis drain?
superficial inguinal nodes
Where does lymph from testes drain to?
lumbar nodes
