A chemical messenger is released from one cell that stimulates nearby cells is an example of
A) autocrine signaling.
B) endocrine signaling.
C) juxtacrine signaling.
D) paracrine signaling.

Question

Quizplus · Accepted Answer

Paracrine signaling involves a chemical messenger being released from one cell and stimulating nearby cells. Autocrine signaling involves a cell releasing a chemical messenger that affects its own activity, endocrine signaling involves a chemical messenger being released into the bloodstream to affect distant cells, and juxtacrine signaling involves molecules on the surface of one cell interacting with molecules on the surface of an adjacent cell.

A Chemical Messenger Is Released from One Cell That Stimulates