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Mekhanik [1.2K]
3 years ago
12

Where/what is the arrector pili muscle? Is it under voluntary control?

Medicine
1 answer:
Leni [432]3 years ago
7 0

Answer:

Pili or hair erector muscle are a group of small muscles that are inserted into the hair follicle in its middle section, and when it contracts, it tenses the hair and erects it. It is innervated by the sympathetic nervous system, the contraction of the muscle is involuntary.

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3 years ago
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3 0
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7 0
3 years ago
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kicyunya [14]

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