What Does Synaptic Pruning Refer To

question 43

Multiple Choice

What does synaptic pruning refer to?

• A)the deterioration of myelin in the cerebral cortex
• B)the generation of new neurons as a child develops over time
• C)the "clipping" of axons that don't receive strong enough signals from other axons
• D)the elimination of neurons as a result of nonuse or lack of stimulation

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Definitions:

Myosin Myofilament

Thick myofilament of muscle fibrils; composed of myosin molecules.

Sarcomere

The basic unit of striated muscle tissue responsible for muscle contraction, delimited by Z discs.

Spastic Contractions

Involuntary muscle contractions that are sudden and sustained, often resulting from spinal cord injury or neurological disorders.

Synaptic Cleft

A narrow space between the end of a neuron and an adjacent cell, where neurotransmitters are released to transmit signals.