Which of the Following Cells in a Healthy Adult Human

Question

Which of the following cells in a healthy adult human show the highest turnover?
A) Neurons of the hippocampus
B) Epithelial cells of the urinary tract
C) Hepatocytes of the liver
D) Epithelial cells of the small intestine
E) Neutrophils of the blood

Accepted Answer

Epithelial cells forming the lining of the small intestine are renewed at a greater rate than any other tissue in the body of a mammal. Skin and blood self-renew at high rates as well.