Lecture 11 - Pelvis and Pelvic Floor

Question 1

pelvic is composed of 3 bones

Answer 1

Ilium, pubis, ischim

Question 2

pelvis is divided into 2 regions by the __

Answer 2

pelvic brim

Question 3

pelvis is divided into 2 regions;
1; above pelvic brim, pelvic inlet continuous with abdominal cavity, also called __ pelvis

2;below pelvic brim, pelvic outlet closed off below by muscluar pelvic floor, also called ___ pelvis

Answer 3

1. false pelvis /greater

2. true pelvis /lesser

Question 4

part of the pelvic brim or inlet, has 3 boney features;

Answer 4

linea terminalis =pubic crest, pectenpubis, adn arcuate line

Question 5

ligament of pelvis that connects 2 pubic bones

Answer 5

pubic symphysis

Question 6

ligament of pelvis that connects ischial tuberosity to sacrum/coccyx

Answer 6

sacrotuberous ligament

Question 7

ligament of the pelvis that connects ischial spine to sacrum/coccyx(lower boundary of greater sciatic foramen)

Answer 7

sacrospinous ligament

Question 8

ligament that crosses sacroiliac joint, very large broad ligament on either side of the sacrum

Answer 8

anterior sacroiliac ligament

Question 9

ligament from ischial spine to sacrum/coccyx, lower boundary of greater sciatic foramen

Answer 9

sacrospinous ligament

Question 10

ligament from ischial tuberosity to sacrum/coccyx, lower border of lesser sciatic foramen

Answer 10

sacrotuberous ligament

Question 11

opening that remains in the obturator membrane,

Answer 11

obturator canal

Question 12

ligament between sacrum and iliaic and SI joint, will not see in lab

Answer 12

interocceous ligament

Question 13

attach to anterior sacrum to greater trochanter, passes behind greater sciatic notch, closes off posterior/superior pelvic outlet

Answer 13

piriformis muscle

Question 14

obturator foramen to greater trochanter, covered with thick fascia and attaches to levator ani as tendinous arch, passes through less sciatic foramen

Answer 14

obturator internus

Question 15

piriformis m. passes thru greater sciatic foramen and in innervated by

Answer 15

S1 and S2

Question 16

obturator internus muscle arises in pelvis to act on hip joint, passes thru less sciatic foramen and is innervated by

Answer 16

L5,S1

Question 17

largest component of pelvic floor

Answer 17

levator ani muscles(iliococcygeus muscke, pubococcygeus muscle, and puborectalis muscle)

Question 18

separates the pelvic cavity from the perineum, formed by muscle and fascia

Answer 18

pelvic floor

Question 19

__ and __ are the two components of the pelvic floor or pelvic diaphragm, assisted by piriformis and obturator internus muscles

Answer 19

levator ani and coccygeus

Question 20

largest muscle in the urogenital diaphragm, fills the deep perineal pouch

Answer 20

deep transverse perineal muscle

Question 21

ureters transport urine from kidney’s to bladder, travel to __ aspect of urinary bladder

Answer 21

posterolateral

Question 22

ureters in the female cross __ and in males cross __

Answer 22

females it crosses uterine artery

males ureters cross ductus deferens

Question 23

urinary bladder stores urine prior to expulsion thru urethra, consists of smooth muscle called

Answer 23

detrusor urinae

Question 24

an organ found in males which is in between the bladder and perineum which the urethra passes through the gland

Answer 24

prostate

Question 25

combination of the urogenital tracts in the male

Answer 25

prostatic part of urethra

Question 26

rectum is located in the true pelvis superior to the pelvic floor, normally constricted by

Answer 26

puborectal sling (U shaped puborectalis m.)

Question 27

continuous with rectum at anorectal junction and produces curvature at anorectal junction (perineal flexure)

Answer 27

anal canal

Question 28

fascial sheath derived from anterior abdominal wall. from inguinal canal into scrotum

Answer 28

spermatic cord

Question 29

spermatic cord surrounds what structures

Answer 29

surrounds ductus deferens, testicular vessels and nerves

Question 30

2 pea sized glands within urogenital diaphragm, empty into penile urethra

Answer 30

bulbourethral (cowper’s) gland

Question 31

the __ of the epididymis is continuous with the vas deferens

Answer 31

tail

Question 32

primary reproductive organs of female

Answer 32

ovaries

Question 33

muscular tubes for transport of ovum to uterus, open canal from peritoneal cavity to uterus

Answer 33

uterine (fallopian) tubes

Question 34

uterine tubes are open channels from peritoneal cavity to uterus and are made up of fimbriae, __,__,__

Answer 34

infundibulum, ampulla, isthmus

Question 35

usually anteverted and at right angle to vaginal canal, can enlarge 20x during pregnancy

Answer 35

uterus

Question 36

inferior neck of uterus protruding into vaginal canal, opens to vagina as external os and uterus as internal os

Answer 36

uterine cervix

Question 37

circular gutter surrounding cervix, deeper posterior than anterior

Answer 37

vaginal fornix

Question 38

uterine ligament that is peritoneum covering ovarian vessels and nerves

Answer 38

suspensory ligament

Question 39

uterine ligament that is peritoneum covering uterus and uterine tube, ovaries

Answer 39

broad ligament

Question 40

uterine ligament that anchors ovary to uterus

Answer 40

ovarian ligament

comes from gubbernaculum embryro

Question 41

uterine ligament, continuous of ovarian ligament, passes thru inguinal canal to fuse with labia majora

Answer 41

round ligament of the uterus

Question 42

posterior extension of the broad ligament (uterine)

Answer 42

mesovarium

Question 43

portion of male urethra passing through perineal membrane leading into the spongy part of the urethra

Answer 43

membranous part of urethra