In Order for a Severed Peripheral Nerve to Regenerate and Recover

question 75

Multiple Choice

In order for a severed peripheral nerve to regenerate and recover its original function, nerve fibers must sprout and enter tubes formed by

• A)basement membranes and connective tissues.
• B)former axons.
• C)myelin.
• D)nodes of Ranvier.

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Definitions:

Gene Flow

The exchange of genetic material between separate populations, enhancing genetic diversity within populations.

Evolutionary Force

A factor that brings about changes in the genetic structure of a population, including natural selection, mutation, gene flow, and genetic drift.

Populations

Groups of individuals belonging to the same species that live in the same area and are capable of interbreeding.

Founder Effects

A genetic phenomenon where a new population starts from a small number of individuals, leading to a reduced genetic diversity relative to the original population.