Practical 1 - Station 3: Vessels, nerves and lymph nodes of the pelvis Flashcards
What parts of the pelvic cavity are not supplied by the internal iliac artery?
Testis
Ovary
Upper rectum
What is the blood supply of the testis/ovary?
Gonadal artery
Branch of the abdominal aorta
What is the blood supply of the upper rectum?
Sup rectal artery
Branch of the IMA
What are the main branches of the Internal iliac artery?
Iliolumbar
Sacral
Superior gluteul
Inf gluteul
Inf pudendal
Middle rectal
Uterine
Obturator
What vessels are supplied by the superior and inferior vesical arteries?
Bladder
Seminal vesicle
Prostate
What organs are supplied by the uterine artery?
Uterus
- And branches to form vaginal artery
What organs are supplied by the middle and inferior rectal arteries?
Middle and distal 2/3rds of the rectum
What organs are supplied by the vaginal artery?
Vagina
What is the vaginal artery a branch of?
Uterine artery
What is supplied by the internal pudendal artery?
Perineum
What structures are supplied by the obturator artery?
Pelvic muscles
What are the 5 veins that make up the venous drainage of the pelvis?
Internal iliac
Superior rectal
Median sacral
Gonadal
Internal vertebral venous plexus
What part of the rectum drains into the portal circulation?
Proximal 1/3rd
What part of the rectum drains into systemic circulation?
Distal 2/3rds
What do the veins along the sides and base of the prostate join to form?
The prostatic venous plexus
What venous plexus does the prostatic venous plexus communicate with and why is it clinically significant?
Internal vertebral venous plexuses
- Means cancer can spread to vertebral column and skull
What somatic nerve is responsible for supplying sensation to the skin at the root of the penis and the labia?
Ilioinguinal nerve
What is the course of the ilioinguinal nerve?
Originates at L1
Travels through the inguinal canal