Give Meanings for the Following Terms

question 172

Short Answer

Give meanings for the following terms.
-Fossa: __________

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Definitions:

Axon

The long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body towards other neurons or muscles.

Nodes of Ranvier

Gaps in the myelin sheath along a nerve fiber, where the axonal membrane is exposed to the extracellular space, facilitating rapid signal transmission.

Myelinated Axons

Axons that are covered with myelin, a fatty substance that speeds up the transmission of nerve impulses.

Posterior Root Ganglion

A cluster of nerve cell bodies (neurons) located in the dorsal root of the spinal nerve, involved in transmitting sensory information to the central nervous system.