Autocrine signaling describes a mode of communication in which:

Physiology Test Question

	(A) the chemical messenger molecule is released into the bloodstream and binds to receptors in distant target cells.
	(B) the chemical messenger molecule is released into the surrounding interstitial fluid and binds to receptors in neighboring target cells.
	(C) the chemical messenger molecule is released into the surrounding interstitial fluid and binds to receptors in the very cell that released the messenger molecule.
	(D) the chemical messenger molecule acts intracellularly within the very cell that synthesizes the messenger molecule.

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