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Anatomy > Pelvis > Flashcards

Pelvis Flashcards

1
Q

What is the os coxae?

A

The adult pelvis.

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2
Q

The os coxae is formed by what 3 bones?

A

Ilium, Ischium, and Pubis

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3
Q

Where does the union ilium, ischium and pubis take place?

A

The acetabulum.

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4
Q

A cup-shaped socket into which the ball-shaped head of the femur articulates.

A

Acetabulum.

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5
Q

A hole in the os coxae between the ischium and the pubis.

A

Obturator foramen.

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6
Q

A flat sheet of connective tissue that partially covers the obturator foramen.

A

Obturator membrane.

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7
Q

What bundle course through the obturator foramen?

A

The obturator nerve, artery, and nerve.

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8
Q

Located between the ischial spine and the iliac spine.

A

Greater sciatic notch.

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9
Q

What ligament converts the greater sciatic notch into the greater sciatic foramen?

A

Sacrospinous ligament.

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10
Q

What nerve courses through the greater sciatic foramen?

A

Sciatic nerve.

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11
Q

What muscle course through the greater sciatic foramen?

A

Piriformis muscle.

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12
Q

Located between the ischial spine and the ischial tuberosity.

A

Lesser sciatic notch.

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13
Q

What ligament converts the lesser sciatic notch into the lesser sciatic foramen?

A

Sacrotuberous ligament.

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14
Q

Fibrocartilage connecting the two pubic bones in the anterior midline of the os coxae.

A

Pubic symphysis.

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15
Q

The superior aperture of the os coxae. (Oval-shaped)

A

Pelvic inlet.

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16
Q

What are the boundaries of the pelvic inlet?

A

Ala of the anterior sacrum, arcuate line, pubis bone, and the posterior pubis symphysis.

17
Q

The inferior aperture of the os coxae. (Diamond-shaped)

A

Pelvic outlet.

18
Q

What are the boundaries of the pelvic outlet?

A

Pubis symphysis, sacrotuberous ligament, and coccyx.

19
Q

What are the 6 bony landmarks of the ilium?

A

Iliac crest, Iliac fossa, Anterior Superior iliac spine (ASIS), Anterior Inferior iliac spine (AIIS), Posterior Superior iliac spine (PSIS), and the Posterior Inferior iliac spine (PIIS).

20
Q

Thickened rim of the ilium.

A

Iliac crest.

21
Q

Concave surface on the anteromedial surface of the ilium.

A

Iliac fossa.

22
Q

Anterior prominence of the iliac crest. Serves as an attachment site for the sartorius and tensor fascia lata muscles.

A

Anterior superior iliac spine (ASIS).

23
Q

Anterior prominence of the iliac crest. Serves as an attachment for the rectus femoris muscle.

A

Anterior inferior iliac spine (AIIS).

24
Q

Posterior prominence of the iliac crest.

A

Posterior superior iliac spine (PSIS).

25
Q

Forms the posterior border of the ala of the sacrum.

A

Posterior inferior iliac spine (PIIS).

26
Q

What are the 3 bony landmarks of the ischium?

A

Ischial tuberosity, Ischial spine, and the Ischial ramus.

27
Q

A large protuberance on the inferior aspect of the ischium for the attachment of the hamstring muscles and for supporting the body when sitting.

A

Ischial tuberosity.

28
Q

A pointed projection that separates the greater and lesser sciatic notches.

A

Ischial spine.

29
Q

A bony projection that joins with the inferior pubic ramus to form the ichiopubic ramus(conjoint ramus).

A

Ischial ramus.

30
Q

What are the 3 bony landmarks of the pubis?

A

Pubic tubercle, Superior pubic ramus, and the inferior pubic ramus.

31
Q

A rounded projection on the superior ramus of the pubis.

A

Pubic tubercle.

32
Q

A bony projection of the pubis that forms a bridge with the acetabulum.

A

Superior pubic ramus.

33
Q

The crest on the superior aspect of the superior pubic ramus is the _____ ___, which serves as part of the border for the pelvic inlet and as an attachment site for muscles.

A

Pectineal line.

34
Q

A bony projection of the pubis that forms a bridge with the ischium; serves as an attachment site for lower limb muscles.

A

Inferior pubic ramus.

35
Q

True or false? The pelvic arch of females is larger than the pelvic arch of males?

A

True.

36
Q

Is a female pelvic inlet more circular-shaped or heart-shaped?

A

Circular-shaped.

37
Q

True or false? The male pelvic outlet is wider than the female pelvic outlet?

A

False.

Anatomy (60 decks)

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