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The Inability to See Well in Dim Light Is Nyctalopia

question 54

True/False

The inability to see well in dim light is nyctalopia.


Definitions:

Sarcolemma

The sarcolemma is the specialized plasma membrane surrounding striated muscle fiber cells.

Sarcomere

The fundamental unit of muscle structure that is responsible for muscle contraction, composed of myosin and actin filaments.

A Band

Length of the myosin myofilament in a sarcomere.

H Zone

Area in the center of the A band in which there are no actin myofilaments; contains only myosin.

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