Dendrite
Branchlike parts of a neuron that are specialized to receive information.
Axon Terminal
Branchlike part of a neuron that sends information
Cell Body
The area of a nerve that has houses the nucleus and major organelles.
Nucleus of Schwann Cell
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Axon
Long fiber that carries impulses away from the cell body of a neuron
Node of Ranvier
A gap between successive segments of the myelin sheath where the axon membrane is exposed.
Myelin Sheath
a layer of fatty tissue encasing a neuron's axon that speeds transmission
Nucleus
Control center of a nerve
Peripheral Nervous System
the sensory and motor neurons that connect the central nervous system to the rest of the body
Central Nervous System
Brain and spinal cord
Sensory Nerve
Nerves that carry sensory information
Motor Neuron
Delivers the nervous stimulus that causes the muscle tissue to contract
Internueron
A neuron that carries nerve impulses from sensory neurons to motor neurons
Autonomic Nervous System
Region of the nervous system that controls the unconscious reactions to stimulus and maintains homeostasis in the body.
Steps to a reflex arc
Stimulus
sensory neuron signal
interneuron relay
Motor neuron signal
Muscle activation
Ganglion
A mass of nerve cells
Afferent Neuron (sensory)
Nerves which carry information from sensory receptors to the central nervous system
Efferent Neuron (motor)
Nerves which convey information to the muscle and glands from the central nervous system.