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Chisa Earl

Physiology weeks 7-13

QuestionAnswer
Membrane potential A difference in electrical charge across their plasma membranes
Resting membrane potential Maintained by a nonconducting neuron's plasma membrane
Synapse The place where signals are transmitted from one neuron (presynaptic neuron), to another neuron (postsynaptic neuron).
Three structures that make up a chemical synapse Synaptic knob, synaptic cleft, and plasmamembrane of a postsynaptic neuron
Acetylcholine (ACH) A class of its own because it has a chemical structure unique among neurotransmitters.
Amine neurotransmitters Are synthesized from amino acid molecule; serotonin and histamine.
Catecholamine neurotransmitters Dopamine, epinephrine, and norepinephrine
Neuropeptide neurotransmitters Short strands of amino acids called polypeptides or peptides.
Three layers of the meninges Dura mater, arachnoid mater, and pia mater
Choroid plexuses Networks of capillaries that project from the pia mater into the lateral ventricles and into the roofs of the third and fourth ventricles.
Six regions of the brain medulla oblongata, pons, midbrain, cerebellum, diencephalon, and cerebrum.
Three divisions of the brain that make up the brainstem medulla oblongata, midbrain, and pons
Functions of the brainstem The brainstem performs sensory, motor, and reflex function
Diencephalon part of the brain located between the cerebrum and the midbrain
The geniculate bodies of the thalamus play what process of the brain? Auditory and visual input
Functions of the Thalamus? Sensations, emotion (pleasantness and unpleasantness), arousal and alerting, and complex reflex movements,
Function of the hypothalamus? The link between the psyche (mind) and the soma (body)
Created by: cearl
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