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What is the fatty tissue that covers axons and speeds up impulses as they travel from cell to cell?
The fatty tissue that covers axons and speeds up impulses is called myelin. Myelin acts as an insulating layer, which helps to increase the speed and efficiency of nerve impulse transmission along the axon.
What are the contributions of schwanna in the cell theory?
Schwann cels make the myelin shealth that facilitate with neuron message transport
What is a schwann cell?
A schwann cell are supporting cells of the peripheral nervous system, they wrap themselves around nerve axons.
What are Axons and dendrites are part of?
cell
What carries messages from the cell body of a neuron?
Remember: Axons away, so dendrites carry messages from the cell, and axons carry them away.
What part of the nerve are Axons and dendrites?
cell
Axons and Dendrites are part of what kind of cell?
Neurons, of the nervous system. The dendrites receive impulses, and the axons send them to another neuron or an effector cell.
What cell cell that myelinates and insulates axons within the CNS is the?
Oligodendrocyte
What is the job of the oligodendrocyte?
Oligodendrocytes are a type of glial (supporting) cell in the brain that sends out cytoplasmic extensions to insulate axons in the central nervous system. This allows for greater speeds of nervous impulses between the brain and a sensory receptor or between two neurons ("brain" cells).
Do Axons carries impulses toward the nerve cell body?
No, axons carry impulses away from the nerve cell body.
Which best describes the components of a nerve?
axons, blood vessels, connective tissue, Schwann cell.
Which bestdescribes thecomponents ofa nerve?
axons, blood vessels, connective tissue, Schwann cell.
