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Anatomy > Perinuem of Pelvis > Flashcards

Perinuem of Pelvis Flashcards

1
Q

What are the muscles of the perineum of the pelvis?

A

External urethral sphincter
Superficial transverse perineal
Ischiocavernosus
Bulbospongiosus

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2
Q

What is the origin and insertion of the external urethral sphincter?

A

O - pubis

I - urethra

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3
Q

What is the action and innervation of the external urethral sphincter?

A

A - relaxes during urination

I - pudendal nerve

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4
Q

What is the origin and insertion of the superficial transverse perineal?

A

O - ischial tuberosity

I - perineal body

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5
Q

What is the action and innervation of the superficial transverse perineal?

A

A - stabilize perineum

I - pudendal nerve

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6
Q

What is the origin and insertion of ischiocavernosus?

A

O - ischial tuberosity

I - crus (penis or clitoris)

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7
Q

What is the action and innervation of ischiocavernosus?

A

A - move blood

I - pudendal nerve

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8
Q

What is the origin and insertion of bulbospongiosus?

A

O - perineal body

I - corpus cavernosum

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9
Q

What is the action and innervation of bulbospongiosus?

A

A - move blood and ejaculation

I - pudendal nerve

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Anatomy (15 decks)

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