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What type of neuroglial cell is not found in the CNS?
One type of neuroglial cell not found in the central nervous system (CNS) is the Schwann cell. Schwann cells are responsible for myelinating peripheral nerves in the peripheral nervous system (PNS). In contrast, oligodendrocytes serve a similar function in the CNS by myelinating axons. Thus, while Schwann cells are crucial for peripheral nerve function, they do not exist in the CNS.
What is the difference between the myelin in the cns versus myelin in the pns?
PNSCNSContinue along a single axonCoil around multiple axonsProduced by schwann cellsProduced by oligodendrocytesRegenerativeNon-regenerative
What cell cell that myelinates and insulates axons within the CNS is the?
Oligodendrocyte
Is myelination of the nerve fibers in the periphreal nervous system the job of the schwann cell?
Yes, Schwann cells are responsible for myelinating nerve fibers in the peripheral nervous system. They wrap around the axon of the neuron, creating a myelin sheath that helps to increase the speed at which nerve impulses travel along the neuron.
What cells are responsible for the myelination of neurons in the cns?
In the central nervous system (CNS), oligodendrocytes are responsible for myelinating neurons. These specialized cells form the myelin sheath around axons, which helps in the transmission of nerve signals.
Which of the following does not respond to cell-mediated immunity?
pathogens in the CNS
What is a word for nerve cell bodies outside CNS?
ganglia is a group of cell bodies in the PNS.
What is the difference between Schwann cells and oligodendrocytes?
1) starting with the obvious; oligodendrocytes myelinate axons in the CNS whereas schwann cells myelinate axons in the PNS 2) a single oligodendrocyte is able to myelinate multiple axons whereas a schwann cell can only myelinate a single axon. 3) schwann cell myelination allows for axonal grown and regeneration where as oligodendrocytes inhibit axonal growth and regeneration. 4).... and probably a bunch more differences
What are the two cell populations in the body that do not undergo cell division?
Neurones in the CNS and cardiac/myocardial cells.
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.
Name the first part of the CNS?
brain
Dendrites function in the motor neuron?
To carry the nerve impulse from the CNS to the cell body
