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22 Cards in this Set
- Front
- Back
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Neurobiology
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the study of the nervous system
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Endocrine System
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one of 2 systems -deals with chemical messages in the body
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Nervous System
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2nd system-deals with chemical and electrical messages cell to cell
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CNS
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Central Nervous System
brain and spinal cord |
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PNS
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Perhiraphl Sytem- Everything else
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Nerve
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axons wrapped in fibrous connective tissue
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Ganglion
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knot-like swelling wer the nerve bodies attach
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Sensory division
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signals from receptors
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Receptors
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sense organs simple nerve endings
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somatic sensory division
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receptors to skin muscle and bone joint
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visceral sensory div
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visceral thoracic to heart lung and stomach
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motor (efferent)
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CNS to gland and muscle celll
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effectors
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cell and organ that respond to nervous system
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SOMATIC motor
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signal skeleton
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visceral motor
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autonomic glands cardiac muscle smooth muscle
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sympathetic
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get body to action potential -increase heart beat
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parasympathetic
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slow down body-decrease heart rate
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nerve cells
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comm. role
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excitability
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irritability -cells respond stimuli
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stimuli
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environment change
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conductivity
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neurons produce electrical response to cells
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secretion
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electrical signal goes to nerve ends threw a neurotransmitter.
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