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Pelvis Flashcards

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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
What foramen provides an exit from the pelvis into the gluteal region
Greater sciatic foramen Remember, GrEx, LEnt
26
What foramen provides an entrance into the perineum from the gluteal region
Lesser Sciatic foramen Remember, GrEx, LEnt
27
Whet tendon passes through the lesser sciatic foramen?
Tendon of obturator internus
28
What structure exits the greater sciatic foramen and enters the lesser sciatic foramen?
1. Pudendal nerve 2. Internal pudendal vesssels 3. Nerve to obturator internus
29
What muscle passes through the greater sciatic foramen?
piriformis
30
What nerve exits the greater sciatic foramen but does not enter the lesser sciatic foramen?
1. Posterior femoral cutaneous nerve 2. Inferior gluteal nerve 3. Superior gluteal nerve 3. Sciatic nerve 4. Sciatic
31
What muscles compose the pelvic diaphragm?
1. Levator ani | 2. Coccygeus muscle
32
What are the components of the levator ani?
1. Pubococcygeus | 2. Ileococcygeus
33
What muscle is weak in prolapsed uterus?
Pubococcygeus | Levator Ani in general
34
What organ herniates in cystocele?
bladder
35
Cystocele herniates in which part of vagina?
upper part of the anterior wall of vagina Rectocele - lower part of the vagina
36
What structure divides the perineum into genitourinary and anal triangles?
Line from Ischial tuberosities
37
What are the contents of the urogenital triangle in males?
1. Root of scrotum and penis | 2. Urogenital passages
38
What are the contents of the urogenital triangle in females?
1. Anal canal 2. External anal sphincter 3. Superficial/deep transverse perineal muscles
39
What is the fascia that binds the vascular inidividual erectile tissue of the penis?
Tunica albuginea
40
What is the fascia that covers all three cylinders of erectile tissue?
Buck's fascia
41
The buck's fascia is a continuation of what fascia?
deep perineal fascia
42
The deep fascia of the penis is a continuation of the fascia which covers what abdominal muscle?
1. External oblique | 2. Rectus sheath muscle
43
The tunica albuginea is ____(dense/elastic) around the corpus spongiosum
Very elastic
44
The tunica cavernosa is ____(dense/elastic) around the corpus spongiosum
Very dense
45
what muscle maintaines penile erection?
1. Bulbospongiosus | 2. Ischocavernosus
46
The skin of the penis drains to what lymph nodes?
Superficial inguinal
47
The deep structures of the penis drain to what lymph node?
internal iliac LN
48
[Name the corresponding abdominal fascia] External spermatic fascia (ESF)
External abdominal oblique (EAO) Remember, ESF EAO
49
[Name the corresponding abdominal fascia] Cremasteric muscle (CM)
Internal Oblique (IO) Muscle Remember, IO CM
50
[Name the corresponding abdominal fascia] Internal spermatic fascia
Transversalis fascia (TF) Remember, ISF TF
51
What abdominal muscle does not continue to the scrotum?
Transversus abdominis
52
What are the 3 masses of erectile tissue on a female genital organ?
1. crura of clitoris | 2. TWO corpora cavernosa
53
What genital erectile tissue that is present in male but not in females?
Corpus spongiousum
54
What genital erectile tissue is present in both male and female?
Corpora cavernosa
55
What is the male homologue of corpus cavernosum and corpus spongiosum?
Vestibular bulb
56
What is the male homologue of bartholin glands?
Cowper glands
57
What is the male homologue of the skene glands?
Prostate gland
58
What is the male homologue of the labia minora
ventral shaft of the penis
59
What is the male homologue of the labia majora?
scrotum
60
What passes through the pudendal canal?
1. Pudendal nerve | 2. Pudendal vessels
61
What are the contents of the superficial perineal space for both male and female?
1. Root of penis 2. Superficial perineal muscle 3. Bulbospongiosus 4. Inchiocavernosus 5. Perineal branch og the pudendal nerve
62
What are the contents of the superficial perineal space?
1. External genitalia 2. Part of the urethra 3. Neurovascular structures
63
The common iliac artery divides at this level?
Sacroiliac joint
64
The internal iliac artery divides into anterior and posterior division at this anatomic location?
Upper margin of the greater sciatic foramen
65
What are the branches of the posterior internal iliac artery?
1. Iliolumbar 2. Lateral sacral 3. Superior gluteal ILS
66
What are the branches of the anterior internal iliac artery?
Internal pudendal Inferior gluteal Inferior vesical ``` Superior vesical Uterine Middle rectal Obturator Vaginal ``` III SUMOVo
67
What branch of the internal iliac artery that supplies the superior part of the urinary bladder?
Superior vesical
68
What branch of the internal iliac artery that supplies the pelvic muscles and medial compartment of thigh?
Obturator
69
What branch of the internal iliac artery that supplies the base of the UB, prostate, seminal vesicle, ductus deferens, lower ureter
Inferior vesicle
70
What branch of the internal iliac artery that supplies the vagina and base of UB?
Vaginal
71
What branch of the internal iliac artery that supplies the rectum and anal canal?
middle rectal
72
What branch of the internal iliac artery that supplies the muscles of the anal canal, skin and muscles of perineum
Internal pudendal
73
What branch of the internal iliac artery that supplies the uterus?
Uterine
74
What are the branches of the internal pudendal artery?
``` Inferior rectal perineal Superficial perinea Deep artery of penis/clitoris Dorsal artery of penis and clitoris ```
75
What are the branches of the sciatic nerve?
1. Common peroneal (Posterior) | 2. Tibial (Anterior)
76
What are the branches of the posterior division of the sacral plexus?
1. Superior gluteal 2. Inferior gluteal 3. Piriforms 4. Perforating cutaneous
77
What are the branches of the anterior division of the sacral plexus?
1. Pudendal nerve 2. Perineal nerve 3. Levator ani and coccygeus nerve 4. Obturator internus, Superior gemellus 5. Quadratus femoris and gemellus
78
The pudendal nerve leaves the pelvic cavity via this foramen
Greater sciatic foramen
79
The pudendal nerve enters the perineum via this foramen
Lesser sciatic foramen
80
What are the branches of the pudendal nerve?
1. Dorsal branch of the penis/clitoris 2. Perineal branch 3. Inferior rectal branch
81
The ability to consciously sense the need to urinate is due to what nerve branch?
Deep perineal branch of the pudendal nerve
82
The ability to be consciously aware of the need to defecate is due to what nerve branch?
Inferior rectal branch of the pudendal nerve

Anatomy (37 decks)

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