Examlex
Meningococci initially colonize the ________.
Second Messengers
Intracellular signaling molecules released by a cell in response to exposure to extracellular signaling molecules, amplifying the signal within the target cell.
Paracrine Regulation
Paracrine regulation involves the signaling of cells to nearby cells by releasing chemical messengers, influencing the behavior of those nearby cells without needing to enter the bloodstream.
Nearby Target Cells
Cells that are located close to the source of a signal molecule and are directly affected by it, often in the context of cellular communication.
Neuropeptide
One of a group of peptides produced in neural tissue that function as signaling molecules; many are neurotransmitters.
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