What kind of tissue is arrector pili muscle?

1 Answer
Sep 3, 2016

Answer:

The arrector pili consists of smooth muscle tissue.

Explanation:

It consists of narrow diamond-shaped cells with a single, centrally located nucleus. Each cell must be separately stimulated by nerves of the autonomic nervous system in order to contract.

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The arrector pili ("raiser of the hair") is a band of muscle tissue that connects a follicular unit to the dermis.

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Contraction of the arrector pili is involuntary.

Stresses such as cold and fear may stimulate the autonomic nervous system and cause contraction — making the hair stand on end.

In humans, the result is called goose bumps.

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