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Anatomy > 25. Urogenital Triangle > Flashcards

25. Urogenital Triangle Flashcards

1
Q

What is the fatty fascia in the pelvis?

A

Campers

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2
Q

What replaces Camper’s fascia in the scrotum?

A

Dartos smooth muscle

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3
Q

What is the membranous fascia in the pelvis?

A

Scarpa’s (called Colles’ in pelvis)

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4
Q

What are the layers in the urogenital diaphragm?

A

Superior layer of fascia
Sphincter urethrae and deep transverse perineal muscles
Inferior layer of fascia (perineal membrane)

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5
Q

Describe the deep perineal pouch?

A

Anatomical space between the fascial layers of the urogenital membrane

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6
Q

What structures pass through the deep perineal pouch in both males and females?

A 
Urethra
Sphincter urethrae
Deep transverse perineal muscles
Internal pudendal vessels and branches
Pudendal nerve
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7
Q

Which structures pass through the deep perineal pouch in females only?

A

Vagina

Dorsal nerves of clitoris

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8
Q

Which structures pass through the deep perineal pouch in males only?

A

Membranous urethra
Dorsal nerves of penis
Bulbourethral glands
Penile arteries

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9
Q

Describe the superficial perineal pouch?

A

Between perineal membrane and the skin

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10
Q

What muscles pass through the superficial perineal pouch?

A

Ischiocavernous
Bulbospongiosus
Superficial transverse perineal

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11
Q

What is the function of the ischiocavernosus and bulbospongiosus muscles?

A

Help maintain erection

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12
Q

What are the erectile tissues?

A

Crura

Bulb of penis (M)/ bulb of vestibule (F)

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13
Q

What is the perineal body?

A

Fibrous

Connects small muscles in perineum

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14
Q

What muscles attach to the perineal body?

A

External anal sphincter
Bulbospongiosus
Superficial perineal muscles

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15
Q

What are the corpus cavernosus and corpus spongiosum?

A

Cavernosus - extension of crura (x2)

Spongiosum - extension of bulb

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16
Q

What are the branches of the internal pudendal artery? (6)

A 
Inferior rectal
Perineal 
Posterior labial/ posterior scrotal
Artery of bulb of vestibule/ penis
Dorsal artery of clitoris/ penis
Deep artery of penis/ clitoris
17
Q

What are the sections of the male urethra?

A

Pre-prostatic
Prostatic
Membranous
Penile (spongy)

18
Q

What are the branches of the pudendal nerve? (3)

A

Inferior rectal
Dorsal nerve of penis/ clitoris
Perineal nerve (sup. and deep branches)

Anatomy (49 decks)

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