review 15 Flashcards
The basic functional unit of the nervous system is the neuron. What is the major function of this cell type?
transmit messages from one part of the body to another in the form of nerve impulses
forms the myelin sheath in the CNS
schwann cells
schwann cells
forms the myelin sheath in the CNS
lines CSF-filled cavities
ependymal cells
ependymal cells
lines CSF-filled cavities
surrounds the cell body of a neuron found in the PNS
surrounds the cell body of a neuron found in the PNS
acts as a phagocyte in the CNS
acts as a phagocyte in the CNS
forms the myelin sheath in the PNS
forms the myelin sheath in the PNS
controls the chemical environment around neurons in the CNS
controls the chemical environment around neurons in the CNS
afferent neuron
central nervous system
efferent neuron
ganglion
interneuron
neuroglia
neurotransmitters
nerve
nucleus
peripheral nervous system
synaptic cleft
tract
the brain and spinal cord collectively
specialized supporting cells in the nervous system
junction or point of close contact between neurons
a bundle of axons inside the PNS
neuron serving as part of the conduction pathway between sensory and motor neurons
ganglia and spinal and cranial nerves
collection of neuron cell bodies found within the CNS
neuron that conducts impulses away from the CNS to muscles and glands
neuron that conducts impulses toward the CNS from the body periphery
chemicals released by neurons that stimulate or inhibit other neurons or effectors
collection of neuron cell bodies found in the PNS
bundle of axons inside the CNS
1
dendrites
2
nucleolus
3
nucleus
4
cell body
5
Chromatophilic substance
6
Axon hillock
7
Schwann cell
8
Axon
9
Axon terminals
Accommodation
The ability of the eyes to focus on different objects close up
