VII + VIII: The Pelvis I + II

Question 1

what forms the pelvic brim/inlet?

Answer 1

pectineal line of pubis
arcuate line of ilium
sacral promnotory

Question 2

what is the greater pelvis aka false pelvis

Answer 2

lower part of abdominal cavity

anything superior to the pelvic inlet

Question 3

what is the lesser pelvis aka true pelvis

Answer 3

inferior to pelvic inlet and superior to the pelvic outlet

Question 4

what joint helps transfer the weight of the top half of the body

Answer 4

sacroiliac

Question 5

what type of joint is the sacroiliac

Answer 5

synovial joint

Question 6

what types of joint are the lumbosacral, sacroccoygeal, and pubic symphysis?

Answer 6

secondary cartilaginous

pubic symphysis is the only one without an IV disc

Question 7

sacrospinous ligament

Answer 7

sacrum to ischial spine

Question 8

sacrotuberous ligament

Answer 8

sacrum to ischial tuberosity

Question 9

describe the pelvic inlet m vs. f

Answer 9

m: heart shaped
f: rounded/oval

Question 10

describe the pelvic canal m vs. f

Answer 10

m: long and funnel-shaped
f: short with parallel walls

Question 11

everted ischial tuberosities and spines

Answer 11

female

Question 12

broader greater sciatic notch

Answer 12

female

Question 13

pubic arch and subpubic angle less than 70 degrees

Answer 13

male

Question 14

long and narrow sacrum

Answer 14

male

Question 15

short and broad sacrum

Answer 15

female

Question 16

lateral pelvic wall

Answer 16

obturator internus

Question 17

arises within lesser pelvis
passes through lesser sciatic foramen
attaches to greater trochanter

Answer 17

obturator internus

Question 18

forms the tendinous arch medially

Answer 18

obturator membrane (lines obturator internus m.)

Question 19

posterior muscular pelvic wall

Answer 19

piriformis

Question 20

bed for sacral nerve plexus

Answer 20

piriformis

Question 21

passes through lesser sciatic foramen

passes through greater sciatic foramen

Answer 21

lesser- obturator internus

greater- piriformis

Question 22

attaches to sacrum within lesser pelvis
passes through greater sciatic foramen
attaches to greater trochanter

Answer 22

piriformis

Question 23

pelvic diaphragm =

Answer 23

levator ani + coccygeus

Question 24

function of the pelvic diaphragm

Answer 24

functions to support viscera (particularly when increased intraabdominal pressure) and aids voluntary control of urination and fecal continence

Question 25

3 muscles of levator ani

Answer 25

puborectalis pubococcygeus iliococcygeus

Question 26

muscular sling arising from pubis; maintains fecal continence

Answer 26

puborectalis

Question 27

arises from pubis and tendinous arch, attaches to coccygeus

Answer 27

pubococcygeus

Question 28

arises from tendinuous arch and ischial spine and blends with pubococcygeus

Answer 28

iliococcygeus

Question 29

coccygeus aka ischiococcygeus

Answer 29

ischial spin to cocygeus/sacrum

Question 30

kidneys are considered _______ organs, although embryologically __________

Answer 30

abdominal | pelvic

Question 31

classification of ureters

Answer 31

retroperitoneal

Question 32

what prevents urinary reflux into ureters

Answer 32

ureters enter bladder obliquely, forming flap valves so muscular contractions of bladder act as sphincters preventing reflux

Question 33

ureters pass _______-- to uterine arteries orgins

Answer 33

medial

Question 34

blood supply to ureters

Answer 34

male: inferior vesicular female: uterine a.

Question 35

what is the trigone

Answer 35

triangle between ureteric and urethral opening

Question 36

uvula

Answer 36

projection of trigone visible in older men

Question 37

what are the walls of the bladder

Answer 37

detrusor muscle

Question 38

muscle of baldders neck continuous with urethra muscle

Answer 38

female

Question 39

muscle of bladders neck continuous iwht prostates fibromuscular tissue

Answer 39

male

Question 40

involuntar internal urethral sphincter found...

Answer 40

male only | prevents semen from entering bladder

Question 41

4 parts of male urethra

Answer 41

preprostatic postatic intermediate/membranous spongy

Question 42

where is a stone most likely to be lodged

Answer 42

membranous urethra (thinnest point)

Question 43

urethral crest

Answer 43

median ridge of prostatic urethra

Question 44

seminal colliculus

Answer 44

rounded eminence of urethral crest

Question 45

prostatic utricle

Answer 45

remnant of uterovaginal canal in seminal colliculus

Question 46

location of ejaculatory ducts, prostatic ducts in prostatic urethra

Answer 46

ejaculatoory: inferior to prostatic utricle prostatic: lateral to seminal colliculus

Question 47

4 parts of uterine tube

Answer 47

infundibulum ampulla isthmus uterine part

Question 48

ovarian ligament

Answer 48

ovary to uterus

Question 49

round ligament

Answer 49

uterus to labia majora

Question 50

ovarian v round which is more anterior

Answer 50

round

Question 51

mesentery of uterus

Answer 51

broad ligament

Question 52

suspensory ligament

Answer 52

conveys ovarian vessels, lymphatics and nerves

Question 53

suspends ovary

Answer 53

mesovarium

Question 54

suspends uterine tube

Answer 54

mesosalpinx

Question 55

mesometrium

Answer 55

suspends most of uterus

Question 56

what is the typical position of the uterus?

Answer 56

anteverted and anteflexed

Question 57

innervation to the vagina

Answer 57

lower 1/4: somatic (deep perineal branch of pudendal) | upper 3/4: autonomic

Question 58

ducts formed by the joining of seminal vesicle and ductus deferens, converging upon the seminal colliculus of prostatic urethra

Answer 58

ejaculatory ducts

Question 59

where are the bulbourethral glands located

Answer 59

posterolateral to membranous urethra

Question 60

prostate, seminal vesicles, and vas deferens classification

Answer 60

primarily retroperitoneal

Question 61

uterus, ovaries and uterine tube classification

Answer 61

intraperitoneal

Question 62

retropubic space

Answer 62

behind the pubic bone, | accomodates bladder distension

Question 63

retrorectal space

Answer 63

beind rectum, accomodates retal expansion

Question 64

rectovesical pouch

Answer 64

MALES | between bladder and rectum

Question 65

vesicouterine pouch

Answer 65

FEMALES | between bladder and uterus

Question 66

rectouterine pouch (of Douglas)

Answer 66

between uterus and rectum | *can be accessed via posterior fornix in vagina

Question 67

arteries of the anterior divison of internal iliac (7)

Answer 67

``` umbilical obturator inferior vesicular middle rectal intenal pudenal inferior gluteal uterine ```

Question 68

superior vesicular is a branch off of

Answer 68

umbilical

Question 69

what artery sits between S1 and S2

Answer 69

inferior gluteal

Question 70

vaginal artery is a branch off of

Answer 70

uterine a.

Question 71

arteries of posterior divison of ext. iliac (3)

Answer 71

iliolumbar lateral sacral superior gluteal

Question 72

what artery is usually between L5 and S1

Answer 72

superior gluteal

Question 73

nerves of the sacral plexus (4)

Answer 73

sciatic pudendal superior gluteal inferior gluteal

Question 74

sciatic n.

Answer 74

L4-S3 | anterior and posterior division

Question 75

what n. exits pelvis via greater sciatic foramen

Answer 75

sciatic n. pudendal superior gluteal inferior gluteal

Question 76

pudendal n.

Answer 76

S2-4 | anterior division

Question 77

what n. exits pelvis via greater sciatic foramen, then enters perineum via lesser sciatic foramen

Answer 77

pudendal n.

Question 78

supplies skin and muscles of peineum | main sensory nerve for external genitalia

Answer 78

pudendal n.

Question 79

superior gluteal n.

Answer 79

L4-S1 | posterior division

Question 80

supplies gluteus medius, minimus, and tensor fascia latae

Answer 80

superior gluteal n.

Question 81

inferior gluteal n.

Answer 81

L5-S2 | posterior division

Question 82

supplies gluteus maximus

Answer 82

inferior gluteal

Question 83

samll plexus from ventral rami of S4-5 and coccygeal n

Answer 83

coccygeal plexus

Question 84

where do the sympathetics converge and unite

Answer 84

ganglion impar