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Home >
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JIPMER >
2003 >
Anatomy
> Explanation
- Lymphatics from all of the following drain to
inguinal lymph nodes, except?
A. Anal canal
B. Vagina
C. Popliteal fossa
D. Ischiorectal fossa
Ans: D) Ischiorectal fossa
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 vagina -
A) Upper third - accompany uterine artery -- drain to --
external and internal iliac nodes
B) Middle third (above hymen) - accompany vaginal artery --
drain to -- internal iliac nodes
C) Lower third
(below hymen) - superficial inguinal lymph nodes
Lymphatic drainage of popliteal fossa -
Accompany
popliteal
artery -- drain to -- inguinal lymph nodes
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