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