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Sectional Anatomy > Unit 3-Pelvis > Flashcards

Unit 3-Pelvis Flashcards

1
Q

What makes up the bony pelvis?

A

Sacrum, Coccyx, and Os Coxae (fusion of 3 bones)

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2
Q

What is the division of the abdominal and pelvic cavity?

A

The sacral prominatory

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3
Q

What makes up the lateral mass (ala)?

A

The transverse processes of the 5 sacral segments

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4
Q

T/F

Lateral masses articulate with Ilium at SI joint

A

True

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5
Q

What modailty shows the sacral nerves?

A

MRI

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6
Q

How many segments of the coccyx are there?

A

Consists of three to five small fused bony segments.

(dont need to label each segment by its number, just label coccyx)

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7
Q

What makes up the Os Coxae?

A

lium, Ischium and Pubis (anterior)

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8
Q

What is the concave, anterior surface of the ala called?

A

Iliac fossa

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9
Q

What is the largest and most superior part of the Os Coxae?

A

The Ilium

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10
Q

T/F

The superior iliac spines are on both the anterior and posterior part of the iliac crest

A

True

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11
Q

What is the upper portion of the acetabulum composed of?

A

Upper portion of the acetabulum is made of body of ileum

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12
Q

What forms the lower anterior portion of the acetabulum?

A

The pubis

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13
Q

What makes up the pubis?

A

Body + superior & inferior pubic rami

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14
Q

What makes up the pubic symphysis?

A

The body of the two pubic bones (R & L) meeting at the midline

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15
Q

T/F

The superior pubic ramus projects inferiorly and laterally from the acetabulum to the midsagittal plane.

A

False; The superior pubic ramus projects inferiorly and medially from the acetabulum to the midsagittal plane.

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16
Q

In what direction does the inferior pubic ramus travel to meet with the join the ischium? What is this union called?

A

The inferior pubic ramus projects inferiorly and laterally. Union called ischiopubic ramus.

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17
Q

What forms the lower posterior portion of the acetabulum?

A

Body of the ischium

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18
Q

What makes up the ischium?

A

Body + 2 rami

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19
Q

Which way does the superior ischial ramus extend towards the ischial tuberosity?

A

Posteriorly and inferiorly

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20
Q

What does the Inferior ischial ramus join with?

A

Inferior pubic ramus

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21
Q

What direction does the Inferior ischial ramus extend to join with the inferior pubic ramus?

A

Anteriorly and medially

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22
Q

What forms the obturator foramen?

A

The union of the pubic rami and ischium

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23
Q

T/F

If you see superior pubic ramus, you are at the level of the ischial spine

A

True

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24
Q

T/F

When we see pubic ramus, we see part of the body projecting backwards to see the ischial spine

A

True

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25
Q

What anatomy is this describing?

Extends from the posterior inferior iliac spine to the ischial spine.

A

Greater sciatic notch

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26
Q

What anatomy is this describing?

Extends from the ischial spine to the ischial tuberosity.

A

Lesser sciatic notch

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27
Q

How does the pubic symph and ischial tuberosity connect?

A

By the inferior pubic ramus and inferior ischial ramus

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28
Q

Where is the rectus abdominus muscle located in relation to the abdomen and the pelvis?

A

Anterior surface of the abdomen and pelvis

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29
Q

What is the origin of the rectus abdominus muscle?

A

Symphysis pubis

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30
Q

What is the insertion of the rectus abdominus muscle?

A

Xiphoid process.

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31
Q

What is the origin of the PSOAS muscle?

A

lateral surfaces of the lumbar vertebrae

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32
Q

What is the insertion of the PSOAS muscle?

A

lesser trochanter of the femur

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33
Q

What do the external and internal oblique muscles run between?

A

Run between the cartilages of the lower ribs and the iliac crest

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34
Q

What forms the inguinal ligament?

A

A band of fibrous connective tissue from the external oblique muscle folds back on itself

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35
Q

What does the inguinal ligament extend between?

A

ASIS and pubic bone

36
Q

What structures pass posteriorly to the ligament and travel into the lower extremities?

A

The external iliac artery, vein and femoral nerve

37
Q

What structure is located just superiorly to the inguinal ligament?

A

inguinal canal

The inguinal canal transmits the spermatic cord in males and the round ligament in females. (connected to overies)

38
Q

What is the largest, most superficial Extrapelvic muscle?

A

Gluteus maximus

which makes up the bulk of the buttocks

39
Q

T/F

The gluteus medius and minimus are smaller in size, and are deep to the gluteus maximus muscle.

A

True

40
Q

What is the origin and insertion of the G. minimus?

A

Origin: Ilium
Insertion: greater trochanter

41
Q

What is the origin and insertion of the G. medius?

A

Origin: Iliac crest (posterior) Insertion: greater trochanter

42
Q

What Gluteus muscle is ussually visualized first in an axial image?

A

The gluteus medius

43
Q

What is the origin and insertion of the G. maximus?

A

Origin: Posterior surface of sacrum/coccyx (origin) and Ilium Insertion: gluteal tuberosity and ilio-tibial tract

44
Q

What shape is the Iliacus Muscle?

A

Triangular shape

45
Q

What is the origin of the Iliacus Muscle?

A

Origin: iliac crest

46
Q

T/F

As the iliacus spans the iliac fossa, it is joined by the psoas muscle to form the iliopsoas muscle, which extends to insert on the lesser trochanter of the femur.

A

True

47
Q

At what level does the Aorta bifurcate into the left and right Iliac?

A

L4

48
Q

At what level does the Left and right iliac veins (common) appear?

A

L5

49
Q

What forms the common iliac veins?

A

Internal & external iliac veins

50
Q

What vessels confluence at the level of the superior border of sacrum?

A

Internal & external iliac veins

51
Q

T/F

The internal and external illiac arteries arise at the level of the upper margin of the SI joints

A

True

52
Q

In which direction does the Internal iliac artery run, and where does it supply blood to?

A

-Runs posteriorly through the bony pelvis
-Gives rise to artieries that supply the buttocks and the rest of the pelvis with blood

53
Q

T/F

The External iliac artery enters the true pelvis.

A

False; External iliac artery does not enter the true pelvis

54
Q

T/F

The external illiac arteries run under the inguinal ligament.

A

True

55
Q

Where does the external illiac arteries travel?

A

Extends along the pelvic brim to exit the iliac fossa

56
Q

Where does the internal illiac vein ascend in relation to the internal illiac artery?

A

Ascends the pelvis medial to the internal iliac artery

57
Q

What do the external iliac arteries turn into and at what structure?

A

The femoral arteries once they exit the pelvis region (under the inguinal ligament).

58
Q

Where do the femoral arteries run in relation to the femoral veins?

A

Runs lateral to the femoral veins

59
Q

What vessel do the femoral veins give rise to and at what structure/level?

A

Femoral veins give rise to the external iliac veins as it passes over the pubic bone and under the inguinal ligament

60
Q

What female reproductive organs lie within the pelvic cavity?

A

Uterus, ovaries, uterine (fallopian) tubes and vagina

61
Q

What are the 2 anatomic regions of the uterus?

A

2 anatomic regions: Body & Cervix

62
Q

Where do the Uterine tubes enter the uterus?

A

At the lateral borders of the fundus.

63
Q

What is the Rounded superior portion of the uterus called?

A

The fundus

64
Q

What part of the uterus is this?

Largest portion (2/3rd) of uterus

A

The body of the uterus

65
Q

What is the Uterine Cervix?

A

Narrow inferior third of the uterus

66
Q

In which direction does the body of the uterus project in relation to the bladder?

A

superiorly and anteriorly over the bladder

67
Q

Where is the fundus of the uterus located in relation to the anterior abdominal wall?

A

fundus adjacent to the anterior abdominal wall

68
Q

What direction is the cervix directed into the vaginal vault?

A

The cervix directed inferior and posteriorly into the vaginal vault.

69
Q

T/F

Depending on how full the bladder is, that can change the position of the uterus

A

True

70
Q

What are the three layers of the uterus from deepest to superficial?

A

Endometrium
Myometrium
Perimetrium

71
Q

Where does the vagina extend to and from?

A

cervix of the uterus to the external vaginal orifice

72
Q

In what direction does the vagina travel from deep to superficial?

A

antero-inferiorly

73
Q

What structue is this describing?

Upper vaginal area that surrounds the opening to the cervix

A

vaginal vault or fornix

74
Q

Where is the Vesicouterine or Uterovesical pouch (Pouch of Meiring) located?

A

located between the uterus and the posterior wall of the bladder

intraperitoneal

75
Q

Where is the Rectouterine pouch (Pouch of Douglas) located?

A

located between the uterus and rectum

intraperitoneal

76
Q

What is the muscle that originates at the pubic symphysis and runs along the anterior wall of the abdomen?

A

Rectus abdominus

77
Q

What is this describing?

extraperitoneal cavity between the pubic symphysis and bladder

A

Retropubic space

78
Q

T/F

The male reproductive organs are entirely extraperitoneal

A

True

79
Q

What structures of the male reproductive organs are not located within the pelvic cavity?

A

testes and penis

80
Q

What are the testes suspended in?

A

Suspended in scrotum

81
Q

Where are the Seminal Vesicles located in relation to the bladder?

A

Posterior surface of bladder

82
Q

Where are the Seminal Vesicles located in relation to the prostate gland?

A

Superior to prostate gland

83
Q

Where are the Seminal Vesicles located in relation to the rectum?

A

Anterior to rectum

84
Q

T/F

The seminal vesicles are paried

A

True

85
Q

What is the largest acessory gland of the male reproductive system?

A

The prostate

86
Q

Where is the prostate gland located in relation to the bladder?

A

Immediatly Inferior to the bladder

87
Q

What are the 2 spaces loacted within the male reproductive system?

A

Retrovesicle pouch
Retropubic space

Sectional Anatomy (19 decks)

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