Pelvis and Pelvic Floor

Question 1

what are the names given to the region above the pelvic brim

Answer 1

false pelvis or greater pelvis

Question 2

what are the names given to the region below the pelvic brim

Answer 2

true pelvis or lesser pelvis

Question 3

all organs in the pelvic cavity are where in reference to the peritoneum

Answer 3

retroperitoneal

Question 4

what makes up the pelvic girdle ?

Answer 4

• 1 sacrum

- 2 os coxae

Question 5

how many vertebrae are fused in the sacrum

Answer 5

5

Question 6

what bones make up the os coxae

Answer 6

ileum, ischium, pubic bones

Question 7

what does the term sexual dimorphism mean with reference to the pelvis

Answer 7

Female pelvis are different to accomodate for birthing

• more oval shaped
• shorter pubic symphysis
• wider pubic arch/angle
• more flared alae
• ischial tuberosities further apart
• sacrum shorter and less curver

Question 8

what are alae in reference to the pelvic region

Answer 8

iliac wings

Question 9

what is the difference in shape and pubic angle b/w male and female pelvis

Answer 9

males have heart shaped and narrow angle

females have oval shaped and wider pubic angle

Question 10

what ligament connects the 2 pubic bones

Answer 10

pubic symphysis

Question 11

what is the long/wide ligament that connects the sacrum to the iliium on the anterior surface

Answer 11

anterior sacroiliac ligament

Question 12

what is the long/wide ligament that connects the sacrum to the iliium on the poster surface

Answer 12

posterior sacroiliac ligament

Question 13

what is the name of the ligament that is b/w the anterior and posterior sacroiliac ligaments

Answer 13

interosseous ligament

Question 14

what 2 landmarks does the sacrotuberous ligament connect ?

Answer 14

sacrum to the ischial tuberosity

Question 15

what 2 landmarks does the scarospinous ligament connect ?

Answer 15

sacrum to the ischial spine

Question 16

what ligament forms the lower border of lesser sciatic foramen

Answer 16

sacrotuberous ligament

Question 17

what ligament helps form the boundary of the greater sciatic foramen

Answer 17

sacrospinous ligament

Question 18

what muscle passes through th greater sciatic foramen, and what is it innervated by

Answer 18

piriformis m.

L5, S1

Question 19

what muscle passes through the lesser sciatic foramen and what is it innervated by ?

Answer 19

obturator internus m.

S1, S2

Question 20

what 2 muscles makes of the pelvic floor

Answer 20

levator ani m.

coccygeus m.

Question 21

what is another name for the pelvic floor

Answer 21

pelvic diaphragm

Question 22

what 3 muscles contribute to the levator ani m. of the pelvic diaphragm

Answer 22

• ilococcygeus
• pubococcygeus
• puborectalis

Question 23

what specific muscle of the pelvic diaphragm helps to support/hold up the rectum, and must be relaxed in order to shit

Answer 23

puborectalis m.

Question 24

what is the perineum, and what are its 2 divisions

Answer 24

diamond shaped region b/w the thigh separated into :

• urogenital triangle
• anal triangle

Question 25

the deep transverse perinal mm. are also known as ?

Answer 25

UG diaphragm (urogenital diaphragm)

Question 26

what is the function of the ureter and what vessels does it cross as it descends

Answer 26

transports urine from kidneys to the urinary bladder

-crosses the external iliac vessels

Question 27

in a female, the ureter crosses under what ?

Answer 27

uterine artery

Question 28

in a male the ureter crosses under what ?

Answer 28

ductus deferens

Question 29

what is the smooth muscle of the urinary bladder

Answer 29

detrusor urinae

Question 30

through what opening is urine expulsed through

Answer 30

urethra

Question 31

where is the prostate located

Answer 31

below the bladder and above the peritoneum

Question 32

what is the difference b/w the male and female urethra

Answer 32

female is short males is much longer

Question 33

what are the four parts/sections of the male urethra

Answer 33

• preprostatic
• prostatic
• membranous
• spongy

Question 34

what U-shaped muscle forms the puborectal sling

Answer 34

puborectalis

Question 35

the urogenital triangle and anal triangle are where in reference to the pelvic floor

Answer 35

anterior and inferior

Question 36

what is the primary male reproductive organ, female ?

Answer 36

male - testis

female - ovaries

Question 37

the spermatic cord is derived from what ?

Answer 37

muscles of the anterior abdominal wall

Question 38

what is contained in the spermatic cord

Answer 38

ductus deferens, testicular vessels, testicular n.

Question 39

what male reproductive gland joins the vas deferens and forms the ejaculatory ducts

Answer 39

seminal vesicles

Question 40

where do the ejaculatory ducts feed/empty into

Answer 40

preprostatic urethra

Question 41

where are the seminiferous tubules located

Answer 41

w/in the testis of male scrotum

Question 42

what are the stuctures in the organization of the uterine/fallopian tubes from proximal uterus to distal

Answer 42

uterus then isthmus, ampulla, infindibulum, and fimbria

Question 43

where is the uterus in reference to the vaginal canal

Answer 43

anteverted and at a right angle

Question 44

what is the neame of the inferior neck of the uterus protruding into the vaginal canal

Answer 44

uterine cervix

Question 45

what is the circular gutter surrounding the cervix

Answer 45

vaginal fornix

Question 46

what anchors the ovary to the uterus

Answer 46

ovarian ligament

Question 47

what is the name of the large ligament covering the uterus

Answer 47

broad ligament

Question 48

what is the name of the continuation of the ovarian ligament that passes through the inguinal canal and fuses with the labia majora

Answer 48

round ligament of the uterus

Question 49

the round ligament of the uterus is synonymous with what in males

Answer 49

vas deferens