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What region is responsible for the gray coloration seen in gray matter of the CNS?
The gray coloration in the gray matter of the central nervous system (CNS) is due to the presence of neuronal cell bodies, dendrites, and synapses. This gray matter is primarily composed of cell bodies of neurons and glial cells, which give it a gray appearance under the microscope.
Collection of cell bodies found outside the cns?
The collection of cell bodies found outside the central nervous system is known as a ganglion. Ganglia are clusters of nerve cell bodies located along the peripheral nerves and are involved in transmitting sensory information to the central nervous system and coordinating motor responses.
What is the ganglion in the CNS?
In the central nervous system (CNS), ganglia are clusters of nerve cell bodies located outside the brain and spinal cord. They are primarily found in the peripheral nervous system (PNS), where they help process sensory information and coordinate motor functions. Ganglia in the CNS are less common compared to those in the PNS.
What does the axon you in a nerve cell do?
The axon in a nerve cell transmits electrical impulses away from the cell body to other neurons, muscles, or glands. It is responsible for carrying information rapidly over long distances within the nervous system.
Inhibitory neurotransmitters of the CNS act by opening gates?
Inhibitory neurotransmitters in the CNS, such as GABA and glycine, act by opening chloride ion channels in the postsynaptic neuron. This influx of chloride ions hyperpolarizes the neuron, making it less likely to depolarize and generate an action potential, thus inhibiting neuronal activity.
Regions of CNS tissue that contain axons but not neuronal cell bodies are called?
White matter
What is a word for nerve cell bodies outside CNS?
ganglia is a group of cell bodies in the PNS.
Collection of nerve cell bodies found outside CNS?
In the peripheral nervous system, which is outside the central nervous system (CNS), collections of nerve cell bodies are called ganglia.
What region is responsible for the gray coloration seen in gray matter of the CNS?
The gray coloration in the gray matter of the central nervous system (CNS) is due to the presence of neuronal cell bodies, dendrites, and synapses. This gray matter is primarily composed of cell bodies of neurons and glial cells, which give it a gray appearance under the microscope.
Collection of cell bodies found outside the cns?
The collection of cell bodies found outside the central nervous system is known as a ganglion. Ganglia are clusters of nerve cell bodies located along the peripheral nerves and are involved in transmitting sensory information to the central nervous system and coordinating motor responses.
What is the difference between clusters of cell bodies called nuclei and those know as ganglia?
Nuclie are in the CNS, while ganglia are in the PNS.
What is the PNS glial cell that surrounds neuron cell bodies in ganglia?
In this case it is satellite cell. In the PNS system there are only two types of cells which are in the neural structures outside the CNS, Schwann Cells and Satellite cells. The Satellite cells surround neuron cell bodies in ganglia.
Why are the cell bodies of the neuron only located in the brain and the spinal cord?
Neurons are the messengers of the central nervous system (CNS) which is composed of the brain and the spinal cord.
Are neurons in the CNS organized into functional groups?
Yes.
What are 3 types of neurons?
Functional types of neurons: 1. sensory (afferent) neurons - input to CNS from sensory receptors; dendrites located at receptors, axons in nerves, cell bodies in ganglia outside the CNS 2. motor (efferent) neurons - output from CNS to effectors cell bodies and dendrites located in the CNS, axons in nerves 3. interneurons - communicate and integrate information within the CNS; located entirely within the CNS
What cell cell that myelinates and insulates axons within the CNS is the?
Oligodendrocyte
What are the collection of nerve cell bodies inside the CNS?
These collections are called ganglia. Ganglia often interconnect with other ganglia to form a complex system of ganglia known as a plexus.
