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pelvis > pelvic bone > Flashcards

pelvic bone Flashcards

1
Q

what line separates the false and true pelvis?

A

the oblique line

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2
Q

what does the oblique line form?

A

the pelvic inlet

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3
Q

what is a specific portion of the oblique line?

A

the linea terminalis

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4
Q

what forms the hip joint?

A

the acetabulum

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5
Q

what does the obturator foramen consist of?

A

obturator membrane and the obturator canal

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6
Q

what is on the posterior margin of the pelvis?

A

the greater sciatic notch, ischial spine, the lesser sciatic notch

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7
Q

where does the posterior margin of the pelvis terminate?

A

the ischial tuberosity

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8
Q

what is the anterior margin of the pelvis marked by?

A

the anterior superior iliac spine, the anterior inferior iliac spine, the pubic tubercle

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9
Q

what part of the pelvis is usually used for bone marrow biopsies?

A

the iliac crest

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10
Q

what makes up the pelvic inlet?

A

promontorium, ala, arcuate line, pecten pubis, pubic crest, pubic symphisis

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11
Q

what are the differences between the male and female pelvis?

A

female promontorium more accentuated
female ischial spine more medial
pelvic inlet female heartshaped

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12
Q

what is on the superior and inferior of the symphysis pubis?

A

superior and inferior pubic ligament

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13
Q

what covers the symphysis pubis?

A

hyaline ligament

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14
Q

what connects the symphysis pubis to the pubis?

A

fibrocartilage ligament

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15
Q

what are the 3 pelvic rings?

A

pelvic inlet - main
obturator and sciatic foramen - subsidiary

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16
Q

what are the four fibroosseus rings?

A

the greater and lesser sciatic notches and their respective sacrospinal and sacrotuberal ligaments

17
Q

is the lesser sciatic foramen above or lower to the pelvic floor?

A

lower

18
Q

what does the position of the sciatic foramen indicate?

A

eases communication between perineal and gluteal

19
Q

what are the 2 muscles of the pelvic wall?

A

obturator internus and piriformis

20
Q

what are the borders of the pelvic outlet?

A

posteriorly: tip of the coccyx
anteriorly: arch of the pubis
lateral: ischial tuberosity and sacrotuberal ligament

21
Q

what does the pelvic floor separate?

A

the pelvic cavity and the perineal

22
Q

the greater sciatic foramen is located above the … and thus its function is to connect between the … and ….

A

pelvic floor, pelvic cavity, gluteal region of the limb

23
Q

the lesser sciatic foramen is located under the … and thus its function is to connect between the … and ….

A

pelvic floor, perineum, and gluteal

24
Q
A

pelvis (20 decks)

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