The d-xylose absorption test is useful in the diagnosis of tropical and idiopathic sprue, 1–4 but results are variable in other disorders and in elderly persons without intestinal disease. 5,6 ...

SATB2 deficiency confers small intestinal (ileal) properties on colon cells. Green fluorescent marker bound to cholesterol (top row) and glucose (bottom row) shows absorption of nutrients in: a) Ileal ...

This is a preview. Log in through your library . Abstract Nitric oxide (NO) is a major inhibitory neurotransmitter that mediates nonadrenergic noncholinergic (NANC) signaling. Neuronal NO synthase ...

The intestine is the most critical digestive organ and the largest immune organ in mammals, playing a central role in nutrient absorption, endocrine secretion, and defense against microorganisms.

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...