Anatomy Ch 5 - Pelvis And Perineum

Front 1

what is the false pelvis?

Back 1

upper parts of the pelvic bones and lower lumbar vertebrae

Front 2

what is the true pelvis?

Back 2

coccyx, inferior pelvic bones, sacrum

Front 3

the perineum is what? contains?

Back 3

inferior floor of pelvic cavity; external genitalia and external openings of GI and GU systems

Front 4

rectum joins sigmoid colon at what level?

Back 4

S3

Front 5

muscles of the pelvic diaphragm? Largest muscles? which are anterior? which are posterior?

Back 5

levator ani and coccygeus

levator ani are largest and anterior

coccygeus are posterior

Front 6

what muscles make up levator ani?

Back 6

iliococcygeus, pubococcygeus, and puborectalis

Front 7

urogenital triangle contains what? and where is it located?

Back 7

roots of external genetalia and opening of urethra and vagina/erectile tissue at the end of the penis

anteriorly in the perineum

Front 8

anal triangle is located where?

Back 8

posteriorly in the perineum

Front 9

uterine artery crosses where in relation to the cervix? ductus deferens and where?

Back 9

lateral to the cervix and under the ductus deferens just posterior to the bladder

Front 10

where is the prostate gland?

Back 10

immediately anterior to the rectum just above pelvic floor

Front 11

dermatomes of the perineum

Back 11

S3-5

Front 12

most of the skeletal muscles in the perineum and pelvic floor are innervated by what levels?

Back 12

S2-4

Front 13

main nerve that innervates skeletal muscles in perineum and pelvic floor?

Back 13

pudendal

Front 14

pudendal nerve leaves pelvic cavity how/where? travels how?

Back 14

through greater sciatic foramen

passes around ischial spine and through lesser sciatic foramen

Front 15

parasympathetic innervation from what levels controls erection?

Back 15

S2-4

Front 16

muscles and fascia of pelvic floor and perineum intersect where?

Back 16

perineal body

Front 17

femoral artery is found where?

Back 17

midway between ASIS and pubic tubercle, inferior to inguinal ligament

Front 18

3 sacro-iliac ligaments

Back 18

anterior, interosseous, posterior

Front 19

strongest sacro-iliac ligament

Back 19

interosseous

Front 20

interosseous sacro-iliac ligament is located where?

Back 20

attaches ilium and sacrum, filling the gap between the two

Front 21

Benign prostatic hypertrophy, resulting in obstruction of the urinary tract, is most often caused by enlargement of what region within the prostate gland?

Back 21

central

Front 22

55. Which of the following contains the neurovascular bundle to the ovaries?

A. broad ligament
B. mesosalpinx
C. mesovarium
D. suspensory ligament
E. transverse cervical ligament

Back 22

suspensory ligament

Front 23

56. Which of the following empties into the penile urethra?

A. ampulla of the vas deferens
B. bulbourethral gland
C. prostate gland
D. seminal vesicle

Back 23

bulbourethral gland

Front 24

sacrospinous ligament attaches where?

Back 24

ischial spine and sacrum and coccyx

Front 25

greater sciatic foramen is where? lesser?

Back 25

superior to sacro-spinous ligament and ischial spine

inferior to ischial spine and sacrospinous ligament between sacrospinous and sacrotuberous ligaments

Front 26

obturator internus origin, insertion, innervation, function

Back 26

anterolateral wall of true pelvis

medial surface of greater trochanter

nerve to obturator internus (L5, S1)

lateral rotation of extended hip and abduction of flexed hip

Front 27

piriformis origin, insertion, innervation, function

Back 27

anterior surface of sacrum

medial side of superior border of greater trochanter

branches from L5, S1, S2

lateral rotation of extended hip and abduction of flexed hip

Front 28

what passes through the obturator canal?

Back 28

obturator nerve and vessels

Front 29

what passes through the greater sciatic foramen above the piriformis? below?

Back 29

inferior gluteal nerves and vessels

inferior gluteal nerves and vessels, sciatic nerve, pudendal nerve, internal pudendal vessels, posterior femoral cutaneous nerves, nerves to obturator internus and quadratus femoris

Front 30

levator ani are innervated by

Back 30

anterior S4 and pudendal nerve (S2-4)

Front 31

difference between rectum and colon

Back 31

lack of taeniae coli

Front 32

median umbilical ligament is a remnant of? connects?

Back 32

urachus

bladder to anterior abdominal wall

Front 33

what is used to determine position of the prostate gland?

Back 33

seminal colliculus

Front 34

head of the epididymis is formed by

Back 34

efferent ductules

Front 35

what covers the testes? what covers that?

Back 35

tunica albuginea; tunica vaginalis

Front 36

prostate is cradled by

Back 36

levator ani

Front 37

ovaries are suspended by

Back 37

mesovarium from broad ligament

Front 38

where does egg fertilization normally occur?

Back 38

ampulla of the uterine tube

Front 39

cervix lymphatics

Back 39

internal and common iliac lymph nodes

Front 40

ligament from cervix to: anterior pelvic wall? lateral? posterior?

Back 40

pubocervical

transverse cervical/cardinal ligament

uterosacral ligament

Front 41

where is the pouch of douglas?

Back 41

between uterus and rectum

Front 42

the broad ligament runs from where to where?

Back 42

lateral pelvic wall and uterus

Front 43

the mesovarium is what? and does what?

Back 43

posterior extension of the broad ligament; attaches to the ovary

Front 44

mesosalpinx is what? does what?

Back 44

most superior part of broad ligament; suspends uterine tube

Front 45

largest nerve of the body and what levels are involved?

Back 45

sciatic nerve - L4-S3

Front 46

two divisions of sciatic nerve and which is ventral? dorsal?

Back 46

common fibular is dorsal and tibial is ventral

Front 47

pudendal nerve innervates

Back 47

sphincters

Front 48

superior gluteal nerve has what innervations? innervates what muscles?

Back 48

L5-S2 (dorsal); gluteus medius, minimus, and tensor fasciae latae

Front 49

inferior gluteal nerve has what innervations? what muscles?

Back 49

L5-S2 (dorsal) - gluteus maximus

Front 50

prevertebral plexus carries what type of fibers? enters the pelvis as what nerves?

Back 50

sympathetic, parasympathetic, visceral afferent

hypogastric nerves

Front 51

superior hypogastric plexus is where?

Back 51

anterior to L5 between sacrum and bifurcation of aorta

Front 52

pelvic plexus is formed by

Back 52

hypogastric plus pelvic splanchnic

Front 53

major artery for pelvis and perineum

Back 53

internal iliac

Front 54

common iliac splits at what level?

Back 54

intervertebral disc between L5 and S1

Front 55

major blood supply to the uterus

Back 55

uterine artery

Front 56

ovarian arteries travel in what vessel?

Back 56

suspensory ligament of the ovary

Front 57

vein that drains clitoris or penis

Back 57

deep dorsal vein

Front 58

urogenital triangle faces which way? anal triangle?

Back 58

straight down; posterior-inferior

Front 59

roof of the perineum

Back 59

levator ani

Front 60

lateral wall of the ischio-anal fossae

Back 60

obturator internus, ischium, sacrotuberous ligament

Front 61

inferior wall of ischio-anal fossae

Back 61

deep perineal pouch

Front 62

corpora cavernosa form which part of the penis?

Back 62

dorsal

Front 63

corpus spongiosum is what part of the penis?

Back 63

ventral

Front 64

urethra is in which part of the penis?

Back 64

corpus spngiosum

Front 65

penis ligament superiorly

Back 65

suspensory ligament of penis

Front 66

penis ligament inferiorly

Back 66

fundiform ligament of the penis

Front 67

glans penis is which part?

Back 67

spongiosum

Front 68

bulbourethral glands are located where?

Back 68

deep perineal pouch

Front 69

job of bulbospongiosus muscle in men

Back 69

ejaculation

Front 70

deep perineal fascia is

Back 70

Colles fascia

Front 71

Colles fascia attaches to

Back 71

perineal membrane (posteriorly) and ischiopubic rami

Front 72

colles fascia is a continuation of what abdominal faschia?

Back 72

membranous layer

Front 73

internal pudendal artery comes from

Back 73

anterior internal iliac

Front 74

artery of bulb of penis comes from

Back 74

internal pudendal artery

Front 75

testicular arteries come from? cremasteric arteries?

Back 75

abdominal aorta

inferior epigastric branch of external iliac artery

Front 76

deep dorsal vein of penis or clitoris drains? goes to?

Back 76

glans and corpora cavernosa; connects with plexus of veins surrounding prostate or bladder

Front 77

lymph from deep perineum drains to?

Back 77

internal iliac nodes

Front 78

superficial penis or lymph drains to?

Back 78

superficial inguinal nodes

Front 79

the glans, labia minora, and terminal inferior end of the vagina drain into

Back 79

deep inguinal and external iliac nodes

Front 80

testes drain to

Back 80

lateral aortic or lumbar and pre-aortic nodes