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2003 >
Anatomy
> Explanation
- Lymphatic drainage of ovaries and rectum is to?
A. Aortic nodes only
B. Aortic and common iliac nodes
C. Aortic, common iliac, internal iliac nodes
D. Aortic, common iliac, internal iliac and inguinal
nodes
Ans: D) Aortic, common iliac, internal
iliac and inguinal nodes
Explanation -
Lymphatic drainage of the rectum -
A) Upper part - accompany superior rectal artery -- drain to
-- left
common iliac lymph
nodes (via para rectal nodes, on each side at
rectosigmoid junction)
B) Middle part - accompany middle rectal artery -- drain to
--
internal iliac nodes
C) Lower part - two directions
a) Some pass above levator ani -- drain to --
internal iliac nodes
b) Some pierce levator ani -- pass through ischiorectal
fossa -- drain to --
internal iliac nodes
D) Anal canal (below anal valves) -- horizontal set of
superficial inguinal nodes
Lymphatic drainage of ovary -
Accompany ovarian vessels -- drain to --
pre and para-aortic
nodes
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