Ileum là gì
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Anatomy
The terminal ileum is located on the right side of the abdominopelvic cavity in the umbilical & hypogastric regions. It is a tube about 1.25 khổng lồ 1.5 inches (3 to lớn 4 cm) long at the kết thúc of the ileum and terminates at the ileocecal sphincter. Continue Scrolling To Read More Below...


Continued From Above... The ileocecal sphincter is a band of smooth muscle that controls the flow of chyme from the ileum inkhổng lồ the cecum of the large intestine.
Histology
The walls of the terminal ileum are made of four distinct tissue layers surrounding the hollow lumen at its center.
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Physiology
Chyme is thoroughly processed by the duodenum, jejunum, và ileum before it enters the terminal ileum. It is then stored in the hollow lumen of the terminal ileum as it awaits the opening of the ileocecal sphincter. Small masses of chyme are pushed into the cecum by waves of peristaltic contraction of the walls of the terminal ileum coordinated with the opening of the ileocecal sphincter. While the chyme is stored, Peyer’s patches lining the walls of the terminal ileum examine the contents of the chyme for any potentially dangerous pathogens.
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