CIRCULAR MUSCLES Flashcards

1
Q

What is the shape of circular muscles?

A

Fibers concentrically arranged around an opening or recess (form sphincters)

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2
Q

What happens when circular muscles contract?

A

Contraction of muscle reduces diameter of opening

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3
Q

What are the two places ciruclar muscles are found?

A
  1. Orbicularis oculi (eye)
  2. Orbicularis oris (mouth)
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