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

Question

Quizplus · Accepted Answer

In paracrine signaling, a chemical messenger is released from one cell and stimulates nearby cells. This is different from endocrine signaling, which involves the release of hormones into the bloodstream to affect distant cells, and autocrine signaling, which involves a cell signaling to itself. Juxtacrine signaling involves direct contact between cells.

A Chemical Messenger Is Released from One Cell and Stimulates