What is the term for the wasting away of muscle tissue secondary to damage to the lower motor neurons and/or subsequent loss of nerve supply?

Chapter 13 Neuro: Spinal Cord

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1.
FLASHCARD QUESTION
Front
Back
Atrophy
2.
FLASHCARD QUESTION
Front
What type of muscles are under voluntary control?
Back
Skeletal muscles
3.
FLASHCARD QUESTION
Front
What reflex involves the withdrawal of a limb in response to painful stimuli with the simultaneous extension of the limb on the opposite side for stability?
Back
Crossed extension reflex
4.
FLASHCARD QUESTION
Front
What are the specialized intrafusal fibers of skeletal muscle that are sensitive to changes in muscle length called?
Back
Muscle spindles
5.
FLASHCARD QUESTION
Front
What is the area of synaptic connection between an axon terminal and skeletal muscle fibers?
Back
Neuromuscular junction
6.
FLASHCARD QUESTION
Front
What is the role of lower motor neurons in muscle function?
Back
Lower motor neurons directly innervate skeletal muscles, facilitating voluntary movement.
7.
FLASHCARD QUESTION
Front
What is the function of muscle spindles in the body?
Back
Muscle spindles detect changes in muscle length and the rate of that change, contributing to proprioception.
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