ileum etymology

Etymology:

  • Origin: Greek
  • Term: εἱλεός (eileos), meaning "twisting" or "coiling"

Meaning:

The ileum is the third and longest section of the small intestine. It is located between the jejunum and the cecum (the first part of the large intestine). The name "ileum" derives from its characteristic coiling or twisting appearance.

Additional Information:

  • The ileum is about 3-4 meters long in humans and is primarily responsible for the absorption of vitamin B12 and bile salts.
  • The wall of the ileum is made up of three layers: the mucosa, submucosa, and muscularis externa.
  • The mucosa contains a large number of villi, which are finger-like projections that increase the surface area for absorption.
  • The submucosa contains blood vessels, lymph nodes, and nerves.
  • The muscularis externa consists of layers of smooth muscle that allow for peristalsis, the involuntary movement of food through the intestine.

ileum relate terms

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