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Anatomy > Pelvis > Flashcards

Pelvis Flashcards

1
Q

What are the bones that compose the pelvis?

A

Hip bones -2
sacrum
coccyx

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2
Q

What are the borders of the pelvic brim

A

Symphysis pubis - ant
Iliopectineal line - lat
Sacral promontroy - post

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3
Q

What is the purpose of pelvic brim?

A

Separates the false and true pelvis

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4
Q

What are the borders of of the pelvic inlet?

A

Symphysis pubis
Iliopectineal line
Sacral promontory

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5
Q

What are the borders of the pelvic outlet?

A

Pubic arch
Ischial tuberosity
Tip of coccyx

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6
Q

Anatomic feature that makes the pelvis different from the female pelvis?

A

Rounded obturator foramen

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7
Q

[Male or Female]

shallow, oval inlet, larger outlet

A

female

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8
Q

[Male or Female]

sacrum is short, wide, flat

pubic arch is wound and wide

A

female

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9
Q

[Male or Female]

Everted ischial spine

A

Female

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10
Q

[Male or Female]

Deep pelvis
heart-shaped pelvic inlet, smaller outlet

A

male

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11
Q

[Male or Female]

sacrum is large, thin, curved

A

male

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12
Q

[Male or Female]

inverted ischial spiine

A

male

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13
Q

[Pelvic Inlet]

What are the anatomic landmarks used to measure the true conjugate diameter?

A

from sacral promontory to the superior margin of the symphysis pubis

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14
Q

[Pelvic Inlet]

What are the anatomic landmarks use to measure the diagonal conjugate

A

sacral promontory to the INFERIOR margin of the pubic symphysis

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15
Q

[Pelvic Inlet]

What is the normal value of your diagonal conjugate

A

> 11.5cm

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16
Q

[Pelvic Inlet]

What is the shortest pelvic diameter?

A

obstetric conjugate

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17
Q

[Pelvic Inlet]

What pelvic diameter is measured during pelvic examination

A

Diagonal Conjugate diameter

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18
Q

[Pelvic Outlet]

distance between the ischial tuberosities

A

Transverse diameter

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19
Q

[Pelvic Outlet]

What is distance between ischial spine which can be a barrier to the fetus during NSVD?

A

<9.5cm

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20
Q

[Type of pelvis]

flat antero-posteriorly

A

platypelloid

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21
Q

[Type of pelvis]

funnel shaped, contracted outlet

A

android

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22
Q

[Type of pelvis]

long, narrow, oval shaped

A

anthropoid

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23
Q

What ligament divides the sciatic notches?

A

Sacrospinous ligament

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24
Q

What bony landmark separates the greater and lesser notches?

A

Ischial spine

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25
Q

What foramen provides an exit from the pelvis into the gluteal region

A

Greater sciatic foramen

Remember, GrEx, LEnt

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26
Q

What foramen provides an entrance into the perineum from the gluteal region

A

Lesser Sciatic foramen

Remember, GrEx, LEnt

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27
Q

Whet tendon passes through the lesser sciatic foramen?

A

Tendon of obturator internus

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28
Q

What structure exits the greater sciatic foramen and enters the lesser sciatic foramen?

A
  1. Pudendal nerve
  2. Internal pudendal vesssels
  3. Nerve to obturator internus
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29
Q

What muscle passes through the greater sciatic foramen?

A

piriformis

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30
Q

What nerve exits the greater sciatic foramen but does not enter the lesser sciatic foramen?

A
  1. Posterior femoral cutaneous nerve
  2. Inferior gluteal nerve
  3. Superior gluteal nerve
  4. Sciatic nerve
  5. Sciatic
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31
Q

What muscles compose the pelvic diaphragm?

A
  1. Levator ani

2. Coccygeus muscle

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32
Q

What are the components of the levator ani?

A
  1. Pubococcygeus

2. Ileococcygeus

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33
Q

What muscle is weak in prolapsed uterus?

A

Pubococcygeus

Levator Ani in general

34
Q

What organ herniates in cystocele?

A

bladder

35
Q

Cystocele herniates in which part of vagina?

A

upper part of the anterior wall of vagina

Rectocele - lower part of the vagina

36
Q

What structure divides the perineum into genitourinary and anal triangles?

A

Line from Ischial tuberosities

37
Q

What are the contents of the urogenital triangle in males?

A
  1. Root of scrotum and penis

2. Urogenital passages

38
Q

What are the contents of the urogenital triangle in females?

A
  1. Anal canal
  2. External anal sphincter
  3. Superficial/deep transverse perineal muscles
39
Q

What is the fascia that binds the vascular inidividual erectile tissue of the penis?

A

Tunica albuginea

40
Q

What is the fascia that covers all three cylinders of erectile tissue?

A

Buck’s fascia

41
Q

The buck’s fascia is a continuation of what fascia?

A

deep perineal fascia

42
Q

The deep fascia of the penis is a continuation of the fascia which covers what abdominal muscle?

A
  1. External oblique

2. Rectus sheath muscle

43
Q

The tunica albuginea is ____(dense/elastic) around the corpus spongiosum

A

Very elastic

44
Q

The tunica cavernosa is ____(dense/elastic) around the corpus spongiosum

A

Very dense

45
Q

what muscle maintaines penile erection?

A
  1. Bulbospongiosus

2. Ischocavernosus

46
Q

The skin of the penis drains to what lymph nodes?

A

Superficial inguinal

47
Q

The deep structures of the penis drain to what lymph node?

A

internal iliac LN

48
Q

[Name the corresponding abdominal fascia]

External spermatic fascia (ESF)

A

External abdominal oblique (EAO)

Remember, ESF EAO

49
Q

[Name the corresponding abdominal fascia]

Cremasteric muscle (CM)

A

Internal Oblique (IO) Muscle

Remember, IO CM

50
Q

[Name the corresponding abdominal fascia]

Internal spermatic fascia

A

Transversalis fascia (TF)

Remember, ISF TF

51
Q

What abdominal muscle does not continue to the scrotum?

A

Transversus abdominis

52
Q

What are the 3 masses of erectile tissue on a female genital organ?

A
  1. crura of clitoris

2. TWO corpora cavernosa

53
Q

What genital erectile tissue that is present in male but not in females?

A

Corpus spongiousum

54
Q

What genital erectile tissue is present in both male and female?

A

Corpora cavernosa

55
Q

What is the male homologue of corpus cavernosum and corpus spongiosum?

A

Vestibular bulb

56
Q

What is the male homologue of bartholin glands?

A

Cowper glands

57
Q

What is the male homologue of the skene glands?

A

Prostate gland

58
Q

What is the male homologue of the labia minora

A

ventral shaft of the penis

59
Q

What is the male homologue of the labia majora?

A

scrotum

60
Q

What passes through the pudendal canal?

A
  1. Pudendal nerve

2. Pudendal vessels

61
Q

What are the contents of the superficial perineal space for both male and female?

A
  1. Root of penis
  2. Superficial perineal muscle
  3. Bulbospongiosus
  4. Inchiocavernosus
  5. Perineal branch og the pudendal nerve
62
Q

What are the contents of the superficial perineal space?

A
  1. External genitalia
  2. Part of the urethra
  3. Neurovascular structures
63
Q

The common iliac artery divides at this level?

A

Sacroiliac joint

64
Q

The internal iliac artery divides into anterior and posterior division at this anatomic location?

A

Upper margin of the greater sciatic foramen

65
Q

What are the branches of the posterior internal iliac artery?

A
  1. Iliolumbar
  2. Lateral sacral
  3. Superior gluteal

ILS

66
Q

What are the branches of the anterior internal iliac artery?

A

Internal pudendal
Inferior gluteal
Inferior vesical

Superior vesical
Uterine
Middle rectal
Obturator
Vaginal

III SUMOVo

67
Q

What branch of the internal iliac artery that supplies the superior part of the urinary bladder?

A

Superior vesical

68
Q

What branch of the internal iliac artery that supplies the pelvic muscles and medial compartment of thigh?

A

Obturator

69
Q

What branch of the internal iliac artery that supplies the base of the UB, prostate, seminal vesicle, ductus deferens, lower ureter

A

Inferior vesicle

70
Q

What branch of the internal iliac artery that supplies the vagina and base of UB?

A

Vaginal

71
Q

What branch of the internal iliac artery that supplies the rectum and anal canal?

A

middle rectal

72
Q

What branch of the internal iliac artery that supplies the muscles of the anal canal, skin and muscles of perineum

A

Internal pudendal

73
Q

What branch of the internal iliac artery that supplies the uterus?

A

Uterine

74
Q

What are the branches of the internal pudendal artery?

A 
Inferior rectal
perineal
Superficial perinea
Deep artery of penis/clitoris
Dorsal artery of penis and clitoris
75
Q

What are the branches of the sciatic nerve?

A
  1. Common peroneal (Posterior)

2. Tibial (Anterior)

76
Q

What are the branches of the posterior division of the sacral plexus?

A
  1. Superior gluteal
  2. Inferior gluteal
  3. Piriforms
  4. Perforating cutaneous
77
Q

What are the branches of the anterior division of the sacral plexus?

A
  1. Pudendal nerve
  2. Perineal nerve
  3. Levator ani and coccygeus nerve
  4. Obturator internus, Superior gemellus
  5. Quadratus femoris and gemellus
78
Q

The pudendal nerve leaves the pelvic cavity via this foramen

A

Greater sciatic foramen

79
Q

The pudendal nerve enters the perineum via this foramen

A

Lesser sciatic foramen

80
Q

What are the branches of the pudendal nerve?

A
  1. Dorsal branch of the penis/clitoris
  2. Perineal branch
  3. Inferior rectal branch
81
Q

The ability to consciously sense the need to urinate is due to what nerve branch?

A

Deep perineal branch of the pudendal nerve

82
Q

The ability to be consciously aware of the need to defecate is due to what nerve branch?

A

Inferior rectal branch of the pudendal nerve

Anatomy (37 decks)

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