Which component of the small intestine is responsible for nutrient transport from enterocytes?
Understand the Problem
The question is asking which specific component of the small intestine is responsible for the transportation of nutrients from enterocytes. It lists several options related to the structure and function of the small intestine, suggesting a focus on anatomy and physiology.
Answer
Through intestinal villi.
Nutrient transport from enterocytes occurs through the intestinal villi, where nutrients enter the bloodstream or lymphatic system via capillaries and lacteals.
Answer for screen readers
Nutrient transport from enterocytes occurs through the intestinal villi, where nutrients enter the bloodstream or lymphatic system via capillaries and lacteals.
More Information
The enterocytes lining the intestinal villi play a crucial role in absorbing nutrients, which are then transported into the bloodstream or lymph via tiny capillaries and lacteals present in the villi.
Tips
A common mistake is confusing where nutrients are absorbed with where they are transported; absorption happens at the enterocyte surface, but transport involves the circulatory or lymphatic systems.
Sources
- Intestinal Villus - an overview | ScienceDirect Topics - sciencedirect.com
- Enterocyte - an overview | ScienceDirect Topics - sciencedirect.com
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