Lecture 21: Pelvic Viscera

Question 1

Joints of innominate bones

Answer 1

-sacroiliac
-symphysis pubis

Question 2

borders of pelvic inlet

Answer 2

-sacral promontory
-sacral ala
-iliopectineal line
-symphysis pubis

Question 3

borders of pelvic outlet

Answer 3

-coccyx
-ischial tuberosities
-symphysis pubis

Question 4

true pelvis

Answer 4

between pelvic inlet and outlet and contains pelvic viscera

Question 5

difference between female and male pelvis

Answer 5

-females have a larger subpubic angle
-females have a larger interspinous distance (b/w ischial spines)

Question 6

function of pelvic diaphragm

Answer 6

support pelvic viscera

Question 7

features of pelvic diaphragm

Answer 7

-urogenital hiatus
-anal aperature

Question 8

muscles of the pelvic diaphragm

Answer 8

-levator ani group
-coccygeus

Question 9

levator ani muscles

Answer 9

-puborectalis
-pubococcygeus
-iliococcygeus

Question 10

puborectalis

Answer 10

attachment to pubis and swoops around anal aperature

Question 11

Pubococcygeus

Answer 11

attach to pubis and coccyx

Question 12

iliococcygeus

Answer 12

attaches to ilium and coccyx

Question 13

coccygeus

Answer 13

attaches to ischium and coccyx

Question 14

what muscle forms the urogenetial hiatus

Answer 14

puborectalis

Question 15

male only pelvic viscera

Answer 15

-vas deferens
-seminal vesicles
-ejaculatory ducts
-prostate gland

Question 16

female only pelvic viscera

Answer 16

-uterus
-uterine tubes
-ovaries
-vagina

Question 17

shared male and female pelvic viscera

Answer 17

-bladder
-ureters
-sigmoid colon
-rectum

Question 18

broad ligament

Answer 18

-covers female pelvic viscera
-double fold peritoneum
-3 divisions

Question 19

3 divisions of the broad ligament

Answer 19

1. Mesometrium
2. mesovarium
3. mesoalpinx

Question 20

Mesometrium

Answer 20

-largest division of the broad ligament
-coveres the uterus and bladder

Question 21

Mesovarium

Answer 21

suspends ovaries from uterine tubes

Question 22

Mesoalpinx

Answer 22

surrounds uterine tubes, drapes posteriorly

Question 23

Ligaments of the uterus

Answer 23

-uterosacral ligament
-cardinal ligament
-round ligament

Question 24

uterosacral ligament

Answer 24

attaches uterus to sacrum

Question 25

cardinal ligament

Answer 25

-wings laterally to attach to side wall of pelvic cavity

Question 26

round ligament

Answer 26

travels through inguinal canal to attach uterus to anterior cavity

Question 27

features of the uterine tubes

Answer 27

-infundubulum -isthmus -ampulla -fimbrae

Question 28

function fo fimbriae

Answer 28

-scoops egg into the uerine tube

Question 29

function of isthmus

Answer 29

attaches uterine tube to cavity

Question 30

function of infundibulum

Answer 30

fans into fimbriae

Question 31

Ovaries

Answer 31

-paired almond shaped organs -produce ova -secrete estrogen and progesterone

Question 32

suspensory ligament of the ovary

Answer 32

attaches ovary to pelvic side wall

Question 33

ovarian ligament

Answer 33

attaches ovary to uterus

Question 34

ovaries are located _____ to the uterus

Answer 34

superior

Question 35

vagina

Answer 35

-open to external environment

Question 36

where does the vagina begin

Answer 36

external os of the cervix

Question 37

protrusion of cervix creates

Answer 37

fornixes (posterior, anterior & lateral)

Question 38

Ductus (vas) deferens

Answer 38

-carrys semen -posterior & superior to ureters - travels from the testes, through inguinal canal, towards posterior bladder

Question 39

Seminal Vesicles

Answer 39

-posterior to surface of bladder -lateral to ductus deferens -glandular structures -stores and produced fluid that makes up majority of semen

Question 40

Ejaculatory ducts

Answer 40

formed by the union of the seminal vesicles & ductus deferens **changes names when entering the prostate gland

Question 41

Prostate gland

Answer 41

-inferior to bladder -walnut shaped -transversed by the prostatic urethra -

Question 42

what contracts to widen the opening of the ejaculatory ducts

Answer 42

prostatic utricle

Question 43

Sigmoid colon

Answer 43

-S shaped -distal end of colon -continuous with rectum distally

Question 44

Rectum

Answer 44

-continuous with the anal canal distally

Question 45

Two flexures of rectum

Answer 45

1. sacral flexure 2. Anorectal flexure

Question 46

What causes the anorectal flexure to hold its shape

Answer 46

puborectalis

Question 47

3 transverse folds of the rectum

Answer 47

Superior, medial and inferior rectal folds

Question 48

path of Ureters

Answer 48

1. exit renal pelvis 2. pass posterior to gonadal vessels and anterior to iliac vessels 4. Enter posterior aspect of the bladder

Question 49

Features of the bladder

Answer 49

-ureteric orfices -trigone -internal urethral orfice

Question 50

ureteric orfices

Answer 50

opening ehere ureters dump into bladder

Question 51

trigone

Answer 51

sapce between the 3 orfices of the bladder

Question 52

internal urethral orfice

Answer 52

transfer from bladder to urethra

Question 53

what supplies the uterus

Answer 53

internal iliac artery > uterine artery

Question 54

what supplies the ovaries

Answer 54

abdominal aorta branches into R & L ovarian arteries

Question 55

what supplies the sigmoid colon

Answer 55

IMA > sigmoidal artery

Question 56

BS to the rectum

Answer 56

Superior: IMA gives off superior rectal a. Middle: IMA gives off internal iliac a. > middle rectal a. Inferior: IMA gives off internal iliac a. > inferior rectal a.