Pelvis and Pelvic Floor Flashcards Preview

Anatomy > Pelvis and Pelvic Floor > Flashcards

Flashcards in Pelvis and Pelvic Floor Deck (49):
1

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

false pelvis or greater pelvis

2

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

true pelvis or lesser pelvis

3

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

retroperitoneal

4

what makes up the pelvic girdle ?

- 1 sacrum
- 2 os coxae

5

how many vertebrae are fused in the sacrum

5

6

what bones make up the os coxae

ileum, ischium, pubic bones

7

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

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

8

what are alae in reference to the pelvic region

iliac wings

9

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

males have heart shaped and narrow angle
females have oval shaped and wider pubic angle

10

what ligament connects the 2 pubic bones

pubic symphysis

11

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

anterior sacroiliac ligament

12

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

posterior sacroiliac ligament

13

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

interosseous ligament

14

what 2 landmarks does the sacrotuberous ligament connect ?

sacrum to the ischial tuberosity

15

what 2 landmarks does the scarospinous ligament connect ?

sacrum to the ischial spine

16

what ligament forms the lower border of lesser sciatic foramen

sacrotuberous ligament

17

what ligament helps form the boundary of the greater sciatic foramen

sacrospinous ligament

18

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

piriformis m.
L5, S1

19

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

obturator internus m.
S1, S2

20

what 2 muscles makes of the pelvic floor

levator ani m.
coccygeus m.

21

what is another name for the pelvic floor

pelvic diaphragm

22

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

-ilococcygeus
-pubococcygeus
-puborectalis

23

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

puborectalis m.

24

what is the perineum, and what are its 2 divisions

diamond shaped region b/w the thigh separated into :
-urogenital triangle
-anal triangle

25

the deep transverse perinal mm. are also known as ?

UG diaphragm (urogenital diaphragm)

26

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

transports urine from kidneys to the urinary bladder
-crosses the external iliac vessels

27

in a female, the ureter crosses under what ?

uterine artery

28

in a male the ureter crosses under what ?

ductus deferens

29

what is the smooth muscle of the urinary bladder

detrusor urinae

30

through what opening is urine expulsed through

urethra

31

where is the prostate located

below the bladder and above the peritoneum

32

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

female is short males is much longer

33

what are the four parts/sections of the male urethra

-preprostatic
-prostatic
-membranous
-spongy

34

what U-shaped muscle forms the puborectal sling

puborectalis

35

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

anterior and inferior

36

what is the primary male reproductive organ, female ?

male - testis
female - ovaries

37

the spermatic cord is derived from what ?

muscles of the anterior abdominal wall

38

what is contained in the spermatic cord

ductus deferens, testicular vessels, testicular n.

39

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

seminal vesicles

40

where do the ejaculatory ducts feed/empty into

preprostatic urethra

41

where are the seminiferous tubules located

w/in the testis of male scrotum

42

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

uterus then isthmus, ampulla, infindibulum, and fimbria

43

where is the uterus in reference to the vaginal canal

anteverted and at a right angle

44

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

uterine cervix

45

what is the circular gutter surrounding the cervix

vaginal fornix

46

what anchors the ovary to the uterus

ovarian ligament

47

what is the name of the large ligament covering the uterus

broad ligament

48

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

round ligament of the uterus

49

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

vas deferens