Inferior mesenteric lymph nodes
Encyclopedia
The inferior mesenteric glands consist of:
They drain the descending iliac and sigmoid parts of the colon
and the upper part of the rectum
; their efferents pass to the preaortic glands.
- (a) small glands on the branches of the left colic and sigmoid arteriesSigmoid arteriesThe sigmoid arteries, two or three in number, run obliquely downward and to the left behind the peritoneum and in front of the Psoas major, ureter, and internal spermatic vessels....
- (b) a group in the sigmoid mesocolonSigmoid mesocolonThe sigmoid mesocolon is the fold of peritoneum which retains the sigmoid colon in connection with the pelvic wall.Its line of attachment forms a V-shaped curve, the apex of the curve being placed about the point of division of the left common iliac artery....
, around the superior hemorrhoidal artery - (c) a pararectal group in contact with the muscular coat of the rectumRectumThe rectum is the final straight portion of the large intestine in some mammals, and the gut in others, terminating in the anus. The human rectum is about 12 cm long...
They drain the descending iliac and sigmoid parts of the colon
Colon (anatomy)
The colon is the last part of the digestive system in most vertebrates; it extracts water and salt from solid wastes before they are eliminated from the body, and is the site in which flora-aided fermentation of unabsorbed material occurs. Unlike the small intestine, the colon does not play a...
and the upper part of the rectum
Rectum
The rectum is the final straight portion of the large intestine in some mammals, and the gut in others, terminating in the anus. The human rectum is about 12 cm long...
; their efferents pass to the preaortic glands.