View source for Hindgut

{{short description|Posterior part of the alimentary canal}}
{{Infobox embryology
| Name          = Hindgut
| Latin         = metenteron
| Image         = Gray472.png
| Caption       = Profile view of a human embryo estimated at twenty or twenty-one days old. (Hindgut labeled at lower left.)
| Image2        = Gray1118.png
| Caption2      = Primitive [[kidney]] and [[Urinary bladder|bladder]], from a reconstruction. (Hindgut labeled at upper left.)
| System        =
| CarnegieStage = 10
| Precursor     = [[Mesenchyme]]
| GivesRiseTo   =
|gives_rise_to=[[Transverse colon]], [[descending colon]], [[sigmoid colon]], [[rectum]]}}
The '''hindgut''' (or '''epigaster''') is the [[Posterior (anatomy)|posterior]] ([[Caudal (anatomical term)|caudal]]) part of the [[alimentary canal]]. In mammals, it includes the [[Anatomical terms of location#Proximal and distal|distal]] one third of the [[transverse colon]] and the [[splenic flexure]], the [[descending colon]], [[sigmoid colon]] and up to the ano-rectal junction. In [[zoology]], the term ''hindgut'' refers also to the [[cecum]] and [[ascending colon]].

==Structure==
===Blood supply===
Arterial supply is by the [[inferior mesenteric artery]], and venous drainage is to the [[portal venous system]]. Lymphatic drainage is to the [[chyle cistern]].

===Nerve supply===
The hindgut is innervated via the [[inferior mesenteric plexus]]. Sympathetic innervation is from the [[lumbar splanchnic nerves]] (L1-L2), parasympathetic innervation is from S2-S4.

===Development===
{{Further|Development of the digestive system}}

==Additional images==
<gallery>
 File:Gray985.png|Abdominal part of digestive tube and its attachment to the primitive or common mesentery. Human embryo of six weeks.
 File:Gray1115.png|Tail end of human embryo twenty-five to twenty-nine days old.
File:Illacme plenipes female with 170 segments and 662 legs (SPC000931) - ZooKeys-241-077-g006.jpeg|Metenteron in the milliped ''[[Illacme plenipes]]''.
</gallery>

==See also==
*[[Hindgut fermentation]]

==External links==
* {{EmbryologyUNC|digest|035}}

{{Development of digestive system}}
{{Authority control}}

[[Category:Large intestine]]
[[Category:Embryology of digestive system]]