Term
| single-unit smooth muscle |
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Definition
| muscle cells are connected by gap junctions, groups of muscle cells function as a "single unit" |
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Term
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Definition
| muscle cells are innervated individually by varicosities |
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Definition
| similar in structure to troponin, activates the myosin light chain kinase, which in turn acts as an enzyme for the phosphorylation of the myosin heads |
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Definition
| refers to depolarization which occurs in the absence of external stimulation, i.e. SA node |
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Term
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Definition
| originating from or stimulated by the nervous system |
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Definition
| large group of muscles that contract as a single functional unit |
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Definition
| group of neuron cell bodies outside of the CNS |
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Definition
| any relationship where the effects of two things are opposite each other |
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Term
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Definition
| antagonistic neural stimulation of an effector |
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Definition
| ACh receptor, stimulated by Nicotine, found on the motor end plate of skeletal muscle cells, in autonomic ganglia, and in some parts of the CNS |
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Definition
| ACh receptor, stimulated by muscarine, found in CNS and plasma membrane of smooth and cardiac muscles and glands innervated by autonomic motor neurons |
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Definition
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Term
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Definition
| epinephrine and/or norepinephrine receptor |
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Definition
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Term
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Definition
| hormone / neurotransmitter |
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Definition
| hormone / nt, sympathetic effects, secreted from the adrenal medulla |
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Term
| alpha adrenergic receptors |
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Definition
| more sensitive to norepinephrine, uses Ca++ second messanger system |
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Term
| beta adrenergic receptors |
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Definition
| more sensitive to blood epinephrine, use cAMP |
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Term
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Definition
| found along the length of the autonomic motor neuron, forms synapse en passant with smooth muscles |
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