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Also called nerve cells
Also called nerve cells
Neurons
Are highly specialized to transmit messages (nerve impulse) from one part of the body to another
Are highly specialized to transmit messages (nerve impulse) from one part of the body to another
Neurons
The metabolic center of the neuron
The metabolic center of the neuron
Cell body
Particularly abundant in cell body
Particularly abundant in cell body
Neuron processes that convey incoming messages toward cell body are
Neuron processes that convey incoming messages toward cell body are
Generate nerve impulses conduct away from the cell body
Generate nerve impulses conduct away from the cell body
Conelike region of the cell body
Conelike region of the cell body
The axon terminals contains hundreds to thousands of tiny vesicles or membranous sacs, that contains chemicals called
The axon terminals contains hundreds to thousands of tiny vesicles or membranous sacs, that contains chemicals called
Most long fibers are covered with a whitish, fatty material called
Most long fibers are covered with a whitish, fatty material called
It protects and insulates the fibers and increases the speed of nerve impulse transmission.
It protects and insulates the fibers and increases the speed of nerve impulse transmission.
The Schwann cell cytoplasm and exposed plasma membrane are referred to as the
The Schwann cell cytoplasm and exposed plasma membrane are referred to as the
The gaps or indentations of myelin sheats called
The gaps or indentations of myelin sheats called
Cell bodies are found in the CNS in clusters called
Cell bodies are found in the CNS in clusters called
A disease grad- ually destroys the myelin sheaths around CNS fibers by converting them to hardened sheaths called
A disease grad- ually destroys the myelin sheaths around CNS fibers by converting them to hardened sheaths called
Small collections of cell body that are found in few sites of the PNS
Small collections of cell body that are found in few sites of the PNS
Bundle of nerve fibers running through the CNS are called
Bundle of nerve fibers running through the CNS are called
Bundles of fibers running through the PNS are called
Bundles of fibers running through the PNS are called
Consist of dense collections of myelinated fibers(tracts)
Consist of dense collections of myelinated fibers(tracts)
Consist mostly unmyelinated fibers and cell bodies
Consist mostly unmyelinated fibers and cell bodies
The simpler types of sensory receptors in the skin are
The simpler types of sensory receptors in the skin are
Sensory receptors in the muscles and tendons are
Sensory receptors in the muscles and tendons are
The most numerous and least specialized cutaneous receptors are called
The most numerous and least specialized cutaneous receptors are called
The ability or a Neuron to respond to a stimulus by producing nerve impulse
The ability or a Neuron to respond to a stimulus by producing nerve impulse
The ability of a neuron to transmit the impulse to other neurons, muscles or glands
The ability of a neuron to transmit the impulse to other neurons, muscles or glands
is the metabolic center
of the neuron. Its transparent nucleus contains a large nucleolus
is the metabolic center of the neuron. Its transparent nucleus contains a large nucleolus
