Memory Game AP Psych TermsOnline version Neurons and the Brain by Alex Trinh Chemical messengers that cross the synaptic gaps between neurons Motor Neuron Interneuron Neurotransmitter Sensory Neurons Myelin Sheath Neurons that carry incoming information from the sensory receptors to the brain and spinal cord Agonist The junction between the axon tip of the sending neuron and the dendrite of the receiving neuron A molecule that, by binding to a receptor site, inhibits or blocks a response Antagonist Synapse A fatty tissue layer encasing the axons of some neurons; enables greater transmission speed A molecule that, by binding to a receptor site, stimulates a response Neuron within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs Neurons that carry outgoing information from the brain and spinal cord to the muscles and glands
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