Neuron Multiple Sclerosis MS Meninges Receptors Term X Cell body Stimulus Carebrospinal fluid Endorphins Dendilte Threshold Cerebrum Reflex Axon Synapse Cerebellum Reflex arc Myelin sheath Neurotransmitters Medulla Homeostasis Definition Any of your 5 senses that receive messages Part of the brain that controls breathing blood pressure heart rate The pathway that an impulse travels includes a sensory receptor a sensory neuron motor neuron and an effector Neurotransmitters that make you feel happy and dull pain Keeping the Internal body conditions stable A quick automatic response to a stimulus Second largest region of the brain responsible for muscle movement coordination and balance Chemicals released by one neuron to transmit an Impulse across a synapse to another neuron The minimum level of a stimulus that is required to activate a neuron An autoimmune disease that destroys the myelin sheath of the neuron Any change in the internal or external environment that causes the nervous system to respond Cells that transmit impulses The space between 2 neurons An Insulating membrane around the axon Extensions that come out of the cell body carry impulses from the environment or from other neurons toward the cell body A long fiber that carries impulses away from the cell body The largest part of a neuron contains the nucleus and much of the cytoplasm Bathes the brain and spinal cord and acts as a shock absorber