anatomy

Question 1

hole from the greater sac to the lesser sac ?

Answer 1

epiploic foramen

Question 2

what is the anatomical significance of the dentate line ?

Answer 2

also called the pectinate line
above the line - derived from the hind gut, columnar epithelium
below the line - from proctoderm, stratified squamous epithelium

Question 3

what is the blood supply, venous drainage and lymph drainage of structures above the dentate line ?

Answer 3

above the pectinate line - superior rectal artery which is a branch of the IMA
whilst the venous drainage is through the superior rectal vein
lymph drainage : internal iliac lymph nodes

Question 4

what type of cancer is associated with tissue above the dentate line ?

Answer 4

adenocarcinoma

Question 5

what is the blood supply, venous drainage, and lymph drainage of structures below the dentate line ?

Answer 5

blood supply : rectal artery , branch of internal pudendal artery
venus drainage : IVC
lymph : superficial inguinal nodes

Question 6

what type of cancer is associated with structures below the pectinate line ?

Answer 6

squamous cell carcinoma

Question 7

what type of hemorrhoids happen below vs above the dentate line ?

Answer 7

above - internal hemorrhoids
below - external hemorrhoids

Question 8

what is an imperforate anus ?

Answer 8

absence of an anal opening , associated with failure to pass meconium

Question 9

what are the abnormalities associated with imporforate anus ?

Answer 9

renal agenesisi
bladder exstrophy

Question 10

what are the retroperitoneal organs ?

Answer 10

SAD PUCKER
suprarenal glands
aorta and IVC
Duodenum
Pancreas - except tail
ureters
colon - descending and ascending
kidneys
esophagus - thoracic portion
rectum