Anatomy: Pelvis & Perineum Iv

Front 1

boundaries of the perineum (pelvic outlet), anterior

Back 1

pubic symphysis

Front 2

boundaries of the perineum (pelvic outlet), anterolateral

Back 2

ischiopubic rami

Front 3

boundaries of the perineum (pelvic outlet), lateral

Back 3

ischial tuberosities

Front 4

boundaries of the perineum (pelvic outlet), posterolateral

Back 4

sacrotuberous ligaments

Front 5

boundaries of the perineum (pelvic outlet), posterior

Back 5

coccyx

Front 6

horizontal line/plane between ischial tuberosities forms

Back 6

two triangles, anal & urogenital

Front 7

anal triangle has ____ layers

Back 7

three

Front 8

three layers of anal triangle are

Back 8

skin, fat, & fascia of pelvic diaphragm

Front 9

layers of UG triangle are _______ than those of anal triangle

Back 9

more complex

Front 10

UG triangle has ____ layers

Back 10

eight

Front 11

eight layers of UG triangle

Back 11

skin & fat (in same plane as Camper's), membranous layer of superficial fascia (Colles' fascia), contents of superficial space, perineal membrane, contents of deep space, superior fascia of UGD, anterior recess, inferior fascia of pelvic diaphragm

Front 12

superficial perineal space in men includes

Back 12

ischiocavernosus, bulbospongiosus, superficial transverse perineus mm, and crura & bulb of penis

Front 13

ischiocavernosus, function

Back 13

compresses venous outflow to maintain erection

Front 14

bulbospongiosus, function

Back 14

empties urethra & compresses deep dorsal vein & erectile tissue

Front 15

superficial transverse perineus, function

Back 15

stabilizes other muscles

Front 16

penis contains paired

Back 16

corpus cavernosum

Front 17

corpi cavernosum are continuous with

Back 17

crus

Front 18

penis contains unpaired

Back 18

corpus spongiosum

Front 19

corpus spongiosum contains

Back 19

urethra, which is continuous with bulb & glans

Front 20

tunica albuginea is

Back 20

connective tissue capsule around penis

Front 21

deep aa to penis lie

Back 21

within corpora cavernosa to supply erectile tissue

Front 22

dorsal aa course on

Back 22

dorsum of penis

Front 23

veins of penis

Back 23

superficial dorsal v and deep dorsal v

Front 24

superficial dorsal v of penis drains to

Back 24

superficial external pudendal v

Front 25

superficial external pudendal v is tributary of

Back 25

great saphenous v

Front 26

deep dorsal v of penis drains to

Back 26

prostatic plexus

Front 27

glans of penis drains to ______ lymph nodes

Back 27

DEEP inguinal lymph nodes

Front 28

common site of injury to penis is in

Back 28

superficial space

Front 29

injury to superficial space causes

Back 29

urine to collect in penis, scrotum & up into abdominal wall

Front 30

injury to superficial space does not cause spread of urine to

Back 30

anal triangle or thigh, due to fascial attachments

Front 31

fascia that allow for the spread of urine in superficial space injuries

Back 31

Colles' fascia, dartos fascia, Scarpa's fascia

Front 32

superficial space in women contains

Back 32

Bartholin's gland, crus of clitoris, & vestibular bulb

Front 33

perineal body is the central point of the

Back 33

perineum

Front 34

muscles attached to perineal body in women

Back 34

bulbospongiosus, superficial transverse perineus, deep transverse perineus, external anal sphincter, & pubovaginalis

Front 35

fascia attached to perineal body in women

Back 35

Colles' fascia, perineal membrane, superior fascia of UGD, inferior fascia of pelvic diaphragm, & fascia around muscles (Gallaudet)

Front 36

fascia around perineal muscles in women

Back 36

Gallaudet fascia

Front 37

ischioanal fossa is

Back 37

a fat-filled space

Front 38

ischioanal fossa, medial boundary

Back 38

anal canal & levator ani

Front 39

ischioanal fossa, lateral boundary

Back 39

fascia overlying obturator internus; pudendal canal lies within fascia of obturator internus

Front 40

pudendal canal lies within

Back 40

fascia of obturator internus

Front 41

ischioanal fossa, superior (apex)

Back 41

levator ani joins fascia of obturator internus

Front 42

ischioanal fossa, inferior (base)

Back 42

skin

Front 43

ischioanal fossa, posterior

Back 43

coccyx

Front 44

ischioanal fossa, anterior

Back 44

extends into UG triangle as recess

Front 45

pudendal n. arises from sacral plexus at

Back 45

S2-4

Front 46

pudendal n. exits pelvis by

Back 46

greater sciatic foramen

Front 47

pudendal n. enters perineum by

Back 47

lesser sciatic foramen

Front 48

pudendal n. courses in

Back 48

pudendal canal within fascia of obturator internus

Front 49

pudendal n., branches

Back 49

inferior rectal n., perineal n., dorsal n. of penis or clitoris

Front 50

pudendal n. innervates all muscles of

Back 50

perineum

Front 51

some nn in perineum are not affected by

Back 51

pudendal n block

Front 52

ilioinguinal n. supplies

Back 52

anterior labia & skin around root of clitoris

Front 53

posterior femoral cutaneous n. innervates

Back 53

posterior portion of labia

Front 54

ilioinguinal n. arises from

Back 54

L1

Front 55

posterior femoral cutaneous n. arises from

Back 55

S1-3

Front 56

terminal branch, pudendal n. associated with

Back 56

internal pudendal a.

Front 57

terminal branch, perineal n. associated with

Back 57

deep a. of penis/clitoris