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12 Cards in this Set

  • Front
  • Back
secreted by endocrine cells into blood
hormone
bioregulator secreted by a neuron
neurocrine
secreted by a neuron into a synapse and directly affect action potential generation
neurotransmitter
secreted by a neuron into a synapse and affects a cell's excitability (response to neurotransmitter)
neuromodulator
secreted by a neuron directly into blood
neurohormone (neurosecretory substance)
local messengers secreted by all cells into ECF
cytocrines
cytocrines that affect other cells
paracrines
cytocrines that affect same cell
autocrines
intracellular messengers produced by the cell that affect internal processes (e.g. second messengers, transcription factors)
intracrines
signals secreted by organisms (affect other organisms)
semiochemicals
semiochemicals that affect a member of the same species
pheromones
semiochemicals that affect a member of a different species
allelomones