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14 terms

Bio

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specialized cell
cell that is uniquely suited to performing a particular function
nervous tissue
tissue composed of neurons
muscle tissue
A body tissue that contracts or shortens, making body parts move.
homeostasis
metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
feedback inhibition
A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.
neuron
a cell that is specialized to conduct nerve impulses
synapse
the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle
nuerotransmitter
refers to the chemical substance released from nerve endings which exerts effects on an adjacent nerve cell across a short synapse
central nervous system
the portion of the vertebrate nervous system consisting of the brain and spinal cord
peripheral nervous system
the section of the nervous system lying outside the brain and spinal cord
cerebrum
anterior portion of the brain consisting of two hemispheres
cerbellum
The portion of the lower brain that coordinates and organizes bodily movements for balance and accuracy
brain stem
the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
sensory receptor
an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation