08-02 URI Gx 02 Pelvis and Perineum.pdf

Question 1

basin-shaped ring of bones that connects the vertebral column to the 2 femurs

Answer 1

pelvic girdle

Question 2

3 bony structures that surrounds the pelvis

Answer 2

• hip
• sacrum
• coccyx

Question 3

the cup-like depression at the lateral surface of the pelvic bone

Answer 3

acetabulum

Question 4

2 hip bones are joined anteriorly at the ___, a secondary cartilaginous joint

Answer 4

pubic symphysis

Question 5

the hipbones articulate posteriorly with the sacrum at the ____ to form the pelvic girdle

Answer 5

sacro-iliac joint

Question 6

pelvic bone aka

Answer 6

coxal bone

Question 7

3 pelvic bones united by the ___ in the acetabulum

Answer 7

triradiate cartilage

Question 8

superior, fan-shaped part of the hip bone

Answer 8

ilium

Question 9

represents the spread of the fan

ilium

Answer 9

ala (wing) or the ilium

Question 10

represents the handle of the fan

ilium

Answer 10

body of the ilium

Question 11

represents the rim of the fan;
curve that follows the contour of the ala between the anterior and posterior supeiror iliac spines;
highest point of the pelvic bone (landmark for lumbar tap L4)

(ilium)

Answer 11

iliac crest

Question 12

anteromedial concave surface of the ala

Answer 12

iliac fossa

Question 13

iliac spines

Answer 13

ASIS, PSIS, AIIS, PIIS

Question 14

will make the point of junction between the sacral bone

Answer 14

iliac tuberosity (rough) and
auricular surface (smooth)

Question 15

has a body and ramus (L.branch);

forms the posterior-inferior part of the pelvis

Answer 15

ischium

Question 16

the ___ of the ischium helps form the acetabulum

Answer 16

body

Question 17

the ___ of the ischium helps for the obturator foramen

Answer 17

ramus

Question 18

yung bone when sitting

Answer 18

ischial tuberosity

Question 19

will create 2 notches behind the pelvis

Answer 19

ischial spine

Question 20

ON TOP of the ischial spine between PIIS and ischial spine

Answer 20

greater sciatic notch

Question 21

BELOW ischial spine; concavity bet ischial spine & ischial tuberosity

Answer 21

lesser sciatic notch

Question 22

forms the inferior and anterior part of the hip bone

Answer 22

pubis

Question 23

superior ramus of pubis helps form the

Answer 23

acetabulum

Question 24

inferior ramus of pubis helps form the

Answer 24

obturator foramen

Question 25

thickening on the anterior part of the pubis

Answer 25

pubic crest

Question 26

pubic crest ends laterally as a prominent swelling, the __

Answer 26

pubic tubercle

Question 27

continuous with the arcuate line

Answer 27

pectineal line/ pecten pubis

Question 28

pubic ramus together with the ischial ramus will form the

Answer 28

obturator foramen

Question 29

formed by the union of 2 pelvic bone; | formed by the ischiopubic rami (conjoined inferior rami of the pubis and ischium) of the two sides

Answer 29

pubic arch

Question 30

formed by the pubic arch; determined by the distance between the right and the left ischial tuberosities

Answer 30

subpubic angle

Question 31

divides the pelvis into greater (false) and lesser (true) pelvis

Answer 31

pelvic inlet

Question 32

wedge-shaped vertebra; 5 bones fused into 1

Answer 32

sacrum

Question 33

failure of the lamina of the 5th sacrum (sometimes 4th) to fuse together to form the sacral spine

Answer 33

sacral hiatus

Question 34

exit point for sacral nerves and pelvic nerves

Answer 34

anterior and posterior sacral foramina

Question 35

which is bigger? anterior or posterior sacral foramina

Answer 35

anterior

Question 36

expanded side of the sacral bone

Answer 36

sacral ala

Question 37

will transmit the terminal portion of cauda equina (NOT the spinal cord kasi SC terminates between L1 and L2 levels)

Answer 37

sacral canal

Question 38

anterior projection of the body of the first sacral bone; impt landmark in obstetrics

Answer 38

sacral promontory

Question 39

articulation bet. sacrum and the 5th lumbar vertebra; will form lumbosacral angle

Answer 39

lumbosacral joint

Question 40

articulation bet sacrum and ilium

Answer 40

sacroiliac joint

Question 41

articulation bet. sacrum and coccyx

Answer 41

sacrococcygeal joint

Question 42

coccyx aka ___ = ___ vertbrae fused into 1

Answer 42

tail bone; 4

Question 43

inner surface f the ilium

Answer 43

arcuate line

Question 44

clin corr: in pelvic fractures (ring illustration), 1 fracture line = __ ; 2 fracture lines = __

Answer 44

2 fracture lines are needed to create fracture segments (think Pretzels); 1 fracture line = stable; 2 or more fracture lines = unstable

Question 45

clin corr: very painful coccyx; fractured or bruised coccyx; managed conservatively

Answer 45

coccydynia

Question 46

greater (false) pelvis is bounded by the ___ posterolaterally and the anterosuperior aspect of the ____ posteriorly

Answer 46

iliac alae; S1 vertebra

Question 47

occupied by abdominal viscera. e.g. ___

Answer 47

ileum and sigmoid colon

Question 48

between pelvic inlet and pelvic outlet

Answer 48

lesser pelvis (true pelvis)

Question 49

lesser pelvis is bounded by

Answer 49

hip bones, sacrum and coccyx

Question 50

lesser pelvis is divided into 2: _____ & ____

Answer 50

1) true pelvic cavity (above the pelvic diaphragm) | 2) perineum (below the pelvic diaphragm)

Question 51

above the pelvic diaphragm

Answer 51

true pelvic cavity

Question 52

below the pelvic diaphragm

Answer 52

perineum

Question 53

pelvic inlet aka

Answer 53

superior pelvic aperture

Question 54

the bony edge (rim) surrounding and defining the pelvic inlet is th ___

Answer 54

pelvic brim

Question 55

major opening of the pelvic bone superiorly

Answer 55

pelvic inlet

Question 56

pelvic inlet is formed by:

Answer 56

1) promontory and sacral ala 2) linea terminalis: arcuate line, pectin pubis and pubic crest 3) symphysis pubis

Question 57

pelvic outlet aka

Answer 57

inferior pelvic aperture

Question 58

boundaries of pelvic outlet

Answer 58

1) tip of coccyx 2) sacrotuberous ligament 3) ischial tuberosities 4) pubic arch

Question 59

connects sacrum and ischial tuberosity; will form a single foramen at the back of the pelvis;; sacrospinous ligament will divide the aforementioned foramen into 2 smaller foramina: greater sciatic foramen and lesser sciatic foramen

Answer 59

sacrotuberous ligament