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Flashcards in Pelvis Deck (45):
1

Boundaries of pelvic inlet

ant - symphisis pubis
post - sacral promontory
lat - iliopectineal line

2

Boundaries of pelvic outlet

ant - pubic arch
post - tip of coccyx
lat - ischial tuberosities

3

Boundaries of false pelvis

ant - anterior abdominal wall
post - lumbar vertebra
lat - iliac fossa and iliacus muscle

4

Diameter from sacral promontory to superior margin of pubic symphisis

True conjugate

5

Diameter from sacral promontory to inferior margin of pubic symphisis

Diagonal Conjugate

6

Diamater distance between 2 ischial tuberosities

Transverse Diameter

7

Diameter distance between 2 ischial spines

Interspinous diameter
< 9.5 cm may present barrier to fetus

8

funnel shaped pelvis with contracted outley

android

9

long, narrow and oval shaped

anthropoid

10

wide pelvis flattened at the brim with the promontory of the scrum pushed forward

platypelloid

11

Contents of pelvic cavity in male

1. urinary bladder
2. ureter
3. vas deferens
4. seminal vesicle
5. prostate gland
6. prostatic urethra
7. sigmoid colon
8. rectum

12

Contents of pelvic cavity in female

1. urinary bladder
2. ureter
3. ovary
4. uterine tube
5. uterus
6 .vagina
7. sigmoid colon
8. rectum

13

ligaments that divied the sciatic notch

1. sacrotuberous ligament
2. sacrospinous ligament

14

Nerve that enters the greater sciatic foramen and goes superior to piriformis

superior gluteal nerve

15

Nerves that pass to greater sciatic foramen

1. pedendal nerve
2. nerve to obturator internus
3. internal pudendal vessels
4. piriformis
5. superior and inferior gluteal vessels and nerves
6. sciatic nerve
7. posterior femoral cutaneous
8. nerve to quadratus femoris

16

Nerves that pass to lesser sciatic foramen

1. pudendal nerve
2. nerve to obturator internus
3. internal pudendal nerve
4. tendon to obturator internus

17

composition of pelvic diaphragm

1. levator ani
2. coccygeus muscle

18

What structure is weakened in a prolapsed uterus

pubococcygeus muscle

19

muslces of the levator ani

1. puborectalis
2. iliococcygues
3. pubococcygeus

20

Which structure divides the perineum into the genitourinary and anal triangles

line from ischial tuberosity

21

composition of perineal body

midpoint
1. convergence of bulbospongiosus
2. external anal sphincter
3. superficial/deep transverse perineal muscles

22

Which structure is involved in an infection of ischiorectal fossa

inferior rectal nerve

23

Contents of ischioanal fossa

1. fats
2. inferior rectal artery
3. inferior rectal vein
4. inferior rectal nerve
5. perineal branch of the femoral cutaneous nerve

24

location of sphincter urethra

deep perineal pouch

25

Contents of superficial pernieal space

1. root of penis/clitoris
2. superficial perineal muscle
3. bulbospongiosus
4. ischiocavernosus
5. perineal body
6. perineal branch of pudendal nerve

26

Contents of deep perineal space

1. membranous urethra/ part of urethra
2. bulbourethral gland/ part of vagina
3. internal pudendal nerve
4. dorsal nerve of penis/clitoris
5. sphincter of urethra muscles
6. deep transverse perineal muscle

27

components of anterior division of internal iliac artery

1. umbilical - superior vesical
2. uterine
3. vaginal or inferior vesical
4. middle rectal
5. obturator
6. internal pudendal
7. inferior gluteal

28

components of posterior division of internal iliac artery

1. iliolumbar
2. lateral sacral
3. superior gluteal

29

Supplies pelvic diaphragm and gluteus maximus

inferior glueal artery

30

This artery obliterates; superior vesical to superior part of urinary bladder

umbilical artery

31

supplies pelvic muscles, medial compartment of thigh

obturator artery

32

supplies anterior and posterior vagina

vaginal artery

33

supplies fundus of urinary bladder, prostate, seminal vesicle, ductus deferens, lower ureter

inferior vesical artery

34

supplies uterus, ovary, cervix, vagina

uterine artrery

35

supplies rectum, anal canal

middle rectal artery

36

Branches of internal pudendal artery

1. inferior rectal artery
2. perineal artery
3 dorsal artery of penis/clitoris
4. superficial perineal artery
5. deep artery of penis/clitoris
6. perineum, skin, muscle of anal triangle and urogenital triangle and erectile bodies

37

What is the origin of pudendal nerve

S2 - S4

38

Branches of pudendal nerve

1. inferior rectal
2. dorsal nerve to penis/clitoris
3. perineal

39

What is the origin of sciatic nerve

L4.L5 S1 - S3

40

Branches of sciatic nerve

Posterior division - common peroneal nerve
Anterior Division - tibial nerve

41

What is the origin of posterior femoral cutaneous nerve

S1 - S3

42

Posterior branches of posterior femoral cutaneous nerve

1. superior gluteal nerve
2. inferior gluteal nerve
3. piriformis
4. perforating cutaneous nerve

43

Anterior branches of posterior femoral cutaneous nerve

1. nerve to quadratus femoris and inferior gemellus
2. nerve to obturator internus and superior gemellus
3. pudendal nerve
4. nerve to levator ani and coccygeus
5. perineal nerve

44

What type of block is done to abolish pain from the anterior part of the perineum

Ilioinguinal nerve block

45

What is the landmark of pudendal nerve block

1. transvaginal - ischial spine
2. perineal - ischial tuberosity