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