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Aneesha anatomy flashcards > Perineum > Flashcards

Perineum Flashcards

1
Q

bulbospongiosus
(female) origin

A

perineal body and fascia of the bulb of
the vestibule

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2
Q

bulbospongiosus
(female) insertion

A

perineal membrane and corpus cavernosum of the clitoris

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3
Q

bulbospongiosus
(female) innervation

A

deep branch of the perineal
nerve (from pudendal nerve)

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4
Q

bulbospongiosus
(female) blood supply

A

perineal artery

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5
Q

bulbospongiosus
(female) function

A

compresses the vestibular bulb
and constricts the vaginal
orifice

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6
Q

bulbospongiosus
(male) origin

A

central tendinous point and the midline
raphe on the bulb of the penis

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7
Q

bulbospongiosus
(male) insertion

A

perineal membrane, dorsal surface of the corpus spongiosum,
deep penile fascia

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8
Q

bulbospongiosus
(male) innervation

A

deep branch of the perineal
nerve (from pudendal nerve)

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9
Q

bulbospongiosus
(male) blood supply

A

perineal artery

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10
Q

bulbospongiosus
(male) function

A

compresses the bulb of the
penis, compresses the spongy
urethra

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11
Q

ischiocavernosus origin

A

medial surface of the ischial tuberosity
and the ischiopubic ramus

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12
Q

ischiocavernosus insertion

A

corpus cavernosum and crus of the penis/clitoris

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13
Q

ischiocavernosus innervation

A

deep branch of the perineal
nerve (from pudendal nerve)

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14
Q

ischiocavernosus blood supply

A

perineal artery

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15
Q

ischiocavernosus function

A

compresses the corpus
cavernosum

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16
Q

deep transverse
perineus origin

A

medial surface of the ischial ramus

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17
Q

deep transverse
perineus insertion

A

contralateral muscle and perineal body/central tendinous point

18
Q

deep transverse
perineus innervation

A

deep branch of perineal nerve
from pudendal nerve

19
Q

deep transverse
perineus blood supply

A

internal pudendal artery

20
Q

deep transverse
perineus function

A

fixes and stabilizes the perineal
body/central tendinous point

21
Q

external anal
sphincter origin

A

perineal body or central tendinous point
of the perineum

22
Q

external anal
sphincter insertion

A

encircles the anal canal; superficial fibers attach to the coccyx

23
Q

external anal
sphincter innervation

A

inferior rectal nerves (from the
pudendal nerve)

24
Q

external anal
sphincter blood supply

A

inferior rectal artery

25
Q

external anal
sphincter function

A

constricts the anal canal

26
Q

sphincter urethrae
(female) origin

A

encircles the urethra

27
Q

sphincter urethrae
(female) insertion

A

encircles urethra and vagina; extends superiorly along the
urethra as far as the inferior surface of the bladder

28
Q

sphincter urethrae
(female) innervation

A

deep branch of perineal nerve
from pudendal nerve

29
Q

sphincter urethrae
(female) blood supply

A

internal pudendal artery

30
Q

sphincter urethrae
(female) function

A

compresses urethra and
vagina

31
Q

sphincter urethrae
(male) origin

A

encircles the urethra

32
Q

sphincter urethrae
(male) insertion

A

encircles urethra, reaches lateral surface of prostate and
inferior bladder

33
Q

sphincter urethrae
(male) innervation

A

deep branch of perineal nerve
from pudendal nerve

34
Q

sphincter urethrae
(male) blood supply

A

internal pudendal artery

35
Q

sphincter urethrae
(male) function

A

compresses urethra

36
Q

superficial transverse
perineus origin

A

medial surface of the ischial ramus

37
Q

superficial transverse
perineus insertion

A

contralateral muscle and the perineal body/central tendinous
point

38
Q

superficial transverse
perineus innervation

A

deep branch of perineal nerve
from pudendal nerve

39
Q

superficial transverse
perineus blood supply

A

perineal artery

40
Q

superficial transverse
perineus function

A

fixes and stabilizes perineal
body/central tendinous point

Aneesha anatomy flashcards (5 decks)

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