Middle rectal artery
Middle Rectal Artery
The Middle Rectal Artery is a branch of the Internal Iliac Artery that supplies blood to the rectum, a part of the digestive system responsible for processing waste.
Etymology[edit | edit source]
The term "Middle Rectal Artery" is derived from the Latin words "medius" meaning middle, "rectus" meaning straight, and "arteria" meaning windpipe or artery.
Anatomy[edit | edit source]
The Middle Rectal Artery usually arises from the Internal Iliac Artery, but it can also originate from the Inferior Vesical Artery. It travels down to the rectum, where it divides into two branches. These branches supply blood to the upper part of the rectum and the lower part of the sigmoid colon.
Function[edit | edit source]
The primary function of the Middle Rectal Artery is to supply blood to the rectum. This is crucial for the functioning of the digestive system, as the rectum plays a key role in the final stages of digestion, specifically in the expulsion of waste from the body.
Clinical Significance[edit | edit source]
Knowledge of the Middle Rectal Artery is important in surgical procedures involving the rectum and the lower part of the sigmoid colon. Its location and the areas it supplies with blood can be significant in cases of rectal cancer and other diseases affecting the lower digestive tract.
Related Terms[edit | edit source]
- Internal Iliac Artery: The main artery from which the Middle Rectal Artery usually arises.
- Inferior Vesical Artery: Another artery from which the Middle Rectal Artery can originate.
- Rectum: The part of the digestive system that the Middle Rectal Artery supplies with blood.
- Sigmoid Colon: The lower part of this colon is supplied with blood by the Middle Rectal Artery.
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Contributors: Prab R. Tumpati, MD
