Testicular anatomy Flashcards
(17 cards)
Is the scrotum a internal or external organ?
external
Name the lymphatic drainage of the scrotum?
Superficial inguinal lymph nodes
Name the arterial supply of the scrotum?
Perineal and pudental arteries
Name the components of the scrotum?
Skin and Dartos fascia Dartos muscle Cremaster muscle and fascia Internal spermatic fascia Tunica vaginalis - parietal and visceral layers Tunica albuginea and testicle
Name the lymphatic drainage of the testicle?
Lumbar lymph nodes
Name the arterial supply of the testicle?
Testicular arteries from aorta at L2
Name the venous drainage of the testicle?
Pampiform plexi to:
- left renal vein (left)
- IVC (right)
Name the components of the testicle?
Tunica albuginea
Seminiferous tubules
Straight tubules
Rete testis
Name the cells that make up the seminiferous tubules?
Germ cells
Sertolli cells
Leydig cells
What is the epididymis?
Convolutions of the duct of the epididymis, where sperm is stored and matured
Made up of head, body, and tail
Describe the path of sperm?
Ducti deferens (vas deferens)
- -> ampullae of duct
- -> seminal vesicles
- -> ejaculatory ducts
- -> prostate gland
- -> urethra
Name the four parts of the male urethra
Pre-prostatic
Prostatic
Intermediate (membranous)
Spongy (penile)
Name the arteries, nerves, and veins of the penis?
Dorsal arteries
Dorsal nerves
Superficial and deep dorsal veins
note: all run along dorsal surface
Describe the structures of the penis
2 columns of corpora cavernosum
1 column of corpus spongiosum
What is the term given for the distal end of the penis?
Glans penis
What is the dartos muscle of the scrotum?
Muscle associated with skin - responsible for wrinking scrotum when cold
note: thickens skin, decreases surface area
What does the spermatic cord consist of?
Ductus deferens Testicular artery Artery of ductus deferens Cremasteric artery Pampiniform artery Sympathetic nerve fibres Genital branch of genitofemoral nerve Lymphatic vessels
