The inferior mesenteric plexus is derived chiefly from the
aortic plexus.
It surrounds the
inferior mesenteric artery, and divides into a number of secondary plexuses, which are distributed to all the parts supplied by the artery, viz., the
left colic
The left colic artery is a branch of the inferior mesenteric artery distributed to the descending colon, and left part of the transverse colon. It ends by dividing into an ascending branch and a descending branch; the terminal branches of the two ...
and
sigmoid plexuses
Sigmoid means resembling the lower-case Greek letter sigma (uppercase Σ, lowercase σ, lowercase in word-final position ς) or the Latin letter S. Specific uses include:
* Sigmoid function, a mathematical function
* Sigmoid colon, part of the ...
, which supply the descending and sigmoid parts of the
colon; and the
superior hemorrhoidal plexus
The superior rectal plexus (or superior hemorrhoidal plexus) supplies the rectum and joins in the pelvis with branches from the pelvic plexuses.
The superior rectal plexus is a division of the inferior mesenteric plexus
The inferior mesenteric ...
, which supplies the
rectum and joins in the
pelvis with branches from the
pelvic plexuses
The inferior hypogastric plexus (pelvic plexus in some texts) is a network () of nerves that supplies the organs of the pelvic cavity. The inferior hypogastric plexus gives rise to the prostatic plexus in males and the uterovaginal plexus in female ...
.
Additional images
File:Gray838.png, The right sympathetic chain and its connections with the thoracic, abdominal, and pelvic plexuses.
File:Gray839.png, Diagram of efferent sympathetic nervous system.
See also
*
Inferior mesenteric artery
*
Superior mesenteric plexus
The superior mesenteric plexus is a continuation of the lower part of the celiac plexus, receiving a branch from the junction of the right vagus nerve with the plexus.
It surrounds the superior mesenteric artery, accompanies it into the mesentery, ...
References
External links
* ()
*
*
Nerve plexus
Nerves of the torso
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