Extrafusal Muscle Fibers That Surround a Muscle Spindle and Resist

question 53

Multiple Choice

Extrafusal muscle fibers that surround a muscle spindle and resist excessive muscle stretching are innervated by

• A) primary sensory endings.
• B) secondary sensory endings.
• C) α efferent neurons.
• D) γ efferent neurons.

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Definitions:

Barn Owl

A nocturnal bird of prey known for its distinctive heart-shaped face and for being a beneficial species by controlling rodent populations.

Left Ear

The ear located on the left side of a person's head, significant in studies concerning auditory processing and lateralization of brain functions.

Basilar Membrane

A key component of the inner ear within the cochlea, crucial for translating sound vibrations into neural signals through its movement.

Hair Cells

Sensory cells found in the inner ear that convert sound vibrations into electrical signals, aiding in hearing and balance.