The release of chemical signals into the extracellular fluid to affect nearby target cells is an example of ____ regulation.
A) autocrine
B) endocrine
C) paracrine
D) systemic
E) exocrine

Question

Quizplus · Accepted Answer

Paracrine signaling involves the release of chemical signals into the extracellular fluid to affect nearby target cells, distinguishing it from autocrine (self-targeting), endocrine (hormonal, distant targeting through the bloodstream), systemic (affecting the body as a whole), and exocrine (releasing substances via ducts to external environments or into body cavities) signaling mechanisms.

The Release of Chemical Signals into the Extracellular Fluid to Affect