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Regulation Vocab

TermDefinition
regulation the adaption of form or behavior of an organism to changed conditions.
stimulus a thing or event that envokes a specific functional reaction in an organ or tissue
neuron a nerve cell that transmits nerve impulses
impulse a signal that travels in the nervous system and releases neurotransmitters.
effector a small molecule that binds to a protein and regulates its biological activity.
receptor protein molecule that receives chemical signals from outside a cell.
neurotransmitters a chemical substance that is released at the end of a nerve fiber.
irritability the ability that living organisms have to respond to changes in their environment.
dendrites the top of a nerve cell that is the first part of the cell to receive the signals
cyton( cell body) the central part of the nerve cell
axon the long thread like part of the nerve cell
hormones chemical messengers
glands part of the body that secretes particular chemical substances
target cells/tissue/organs a cell that has a specific receptor for an antigen or hormone or drug
hypothalamus the region of the brain that controls the autonomic nervous system
hyposecretion production of bodily secretion at an abnormally slow rate
hypersecretion production of bodily secretion at an abnormally fast rate
feedback mechanism a system in which the system responds to a perturbation
reflex an immediate involuntary action to a stimulus
cerebrum one of the main parts of the brain that controls voluntary actions and balance
cerebellum one of the main parts of the brain that controls the central regulation of movement
medulla oblongata one of the main parts of the brain that controls vital body functions
Created by: 1002281