11.18: Absorption

Anatomy and Physiology of Animals · LibreTexts

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    From LibreTexts, under CC BY-SA 3.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    The small molecules produced by digestion are absorbed into the villi of the wall of the small intestine. The tiny finger-like projections of the villi increase the surface area for absorption. Glucose and amino acids pass directly through the wall into the blood stream by diffusion or active transport. Fatty acids and glycerol enter vessels of the lymphatic system (lacteals) that run up the centre of each villus.

    This page titled 11.18: Absorption was last modified on Thu, 15 Sep 2022 20:02:59 GMT and is shared under a CC BY-SA 3.0 license and was authored, remixed, and/or curated by Ruth Lawson via source content that was edited to the style and standards of the LibreTexts platform.