Term
| Direct cytoplasmic transfer |
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Definition
| electrical or chemical signal directly from 1 cell to another. GAP JUNCTIONS. ex. heart - SA node to atria |
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Term
| 3 Ways of Cell-Cell Communication |
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Definition
1. Direct cytoplasmic transfer
2. Local chemicals and signals (diffusion)
3. Long distance communication |
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Term
| Local Chemicals and signals (diffusion) |
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Definition
: autocrine - cell feeds chemicals to self. ex. histamine.
: paracrine - cell releases chemicals that affects neighbor cells
: neurotransmitters - chemicals released at synapse
: graded potential - electrical potential that decays |
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Term
| Long Distance communication |
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Definition
action potentials in neurons and muscles and hormones (into blood)
:neural (muscular) - electrical action potentials
:humoral - hormones that travel in the blood |
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