Anus model rectum
Overview of the Anus and Rectum - Explore from the MSD Manuals - Medical Consumer Version.
The rectum is a chamber that begins at the end of the large intestine, immediately following the sigmoid colon, and ends at the anus (see also Overview of the Anus and Rectum). The anus is the opening at the far end of the digestive tract through which stool leaves the body.
Resources In This Article
Rectum models
Description:The anal sphincters can be felt by an index finger inserted into the anal canal and rectum. The columnar epithelium of the rectal mucosa, innervated by the autonomic nervous system, changes to the stratified squamous scalelike type, innervated by the peripheral nerves, in the lower rectum a few centimetres above the pectinate line, which is the junction between the squamous mucous membrane of the lower rectum and the skin lining the lower portion of the anal canal. The anal canal fig. Laterally, the rectum is related to the ileum or sigmoid colon. Liver The liver is not only the largest gland in the body but also the most complex in function.
User Comments 2
Post a comment
Comment: