A class of cells in the brain and spinal cord that form a supporting structure for the neurons and provide them with insulation.
The elongate extension of a neuron that conducts an action potential.
Central Nervous System (CNS)
The brain and spinal cord
Peripheral Nervous System (PNS)
All neural tissue outside the CNS
Afferent (sensory) division
A division of the PNS that acquires information from the external and internal environments of the body, and transmits impulses from sense organs to the CNS.
Efferent (motor) division
A division of the PNS that allows the body to react to the brain's interpretation of sensory information, it transmits impulses from the CNS to the muscles or glands.
Somatic nervous system
The efferent division of the nervous system that innervates skeletal muscles
Autonomic nervous system
Centers, nuclei, tracts, ganglia, and nerves involved in the unconscious regulation of visceral functions; includes components of the central nervous system and the peripheral nervous system.
A cell in neural tissue that is specialized for communication through, changes in membrane potential and synaptic connections.
A sensory process of a neuron
A neuron with many dendrites and a single axon; the typical form of a motor neuron
Specialized sensory neurons for the transmission of special senses. They are part of the sensory pathways for smell, sight, taste, hearing and vestibular functions.
A sensory neuron whose cell body is in a dorsal root ganglion or a sensory ganglion of a cranial nerve
An association neuron; central nervous system neurons that are between sensory and motor neurons
A neuron conducting impulses inwards to the brain or spinal cord
A nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland