Mod 1 Flashcards
Innominate bone consists of
Ilium
Pubis
Ischium
Where do all the innominate bones meet
Acetabulum
What are the boundaries of the pelvis
True pelvis
False pelvis
How are the boundaries of the pelvis divided
Arcuate line
What are the other names for the arcuate line
Linea terminalis
Pelvic brim
Iliopectineal line
Structures in the true pelvis (inferior to arcuate line)
Uterus Ovaries Fallopian tubes Vessels Muscles
Structures in the false pelvis
Bowel
Segments of the uterus
Fund us
Corpus
Isthmus
Cervix
Positions of the uterus
Anteverted
Anteflexed
Retroflexed
Retroverted
Can the uterus tip to the right or the left
Yes
What is the part of the uterus that can flex
Isthmus
What are the normal positions of the uterus
Anteflexed
Anteverted
What is the anterior boarder of the pelvis
Superior margin of the symphysis pubis
What is the posterior boarder of the pelvis
Sacral prominence
What is the shape of the uterus in newborns and infants
Bilobed
What is the shape of the uterus in reproductive and postmenopausal women
Pear
Side of the uterus in infants
3cm long
1cm thick
Is the size of a uterus larger or smaller in a neonate when compared to a infant
Slightly larger
What is the size of the uterus during reproductive years (nulliparous)
8x5x4 cm
What do you do when measuring a uterus that is multiparous
Add a cm in all directions
What are the uterine layers
Endometrium
Myometrium
Perimetrium
What are the two parts of the endometrium
Stratum functionalis
Stratum basalis
What is the layer of endometrium that is shed each month during menstration
Stratum functionalis
What is the myometrium
Muscle layer
What is the perimetium
Peritoneal coat or serosa
What are the phases of the endometrium
Menstrual
Proliferative
Secretory
Size of the endometrium during proliferative phase
4-8mm (double layer)
Size of the endometrium during secretory phase
7-14mm (double layer)
Size of the endometrium in postmenopausal with bleeding
< (less than) 5mm
Size of the endometrium without bleeding
< (less than) 9mm
Can postmenopausal bleeding be normal if the woman is on hormone replacement therapy
Yes
Size of the endometrium during the menstrual phase
< (less than) 1mm
do women on birth control pills have a thin or thick endometrium
Thin
What is the fornix
Potential space around the cervix
Where does the vagina attach to
Internal OS
Where are the Fallopian tubes contained
Mesosalpinx of broad ligament
What are the segments of the Fallopian tubes
Interstitial
Isthmus
Ampulla
Infundibulum
What is the narrowest segment of the Fallopian tube
Interstitial
What is the longest and widest segment of the Fallopian tubes
Ampulla
Where are the fimbriae contained
Infundibulum
Where is the location of the ovaries
Variable
What are the landmarks for the ovaries
Internal iliac arteries
What is the most common sight of fertilization In the Fallopian tubes
Ampulla
What is the structure of the ovaries
Cortex
Medulla
What is the inner structure of the ovaries
Medulla
What is the outer layer of the ovaries
Cortex
What is the shape of the ovaries during reproductive years
Almond
What is the size of the ovaries during reproductive years
6cc
3x2x2 cm
What is the normal range for ovarian volume
Up to 20cc
What is the volume of the ovaries in neonatals
Up to 3.66cc
What is the shape of ovaries in infants
Sausage
What is the volume of ovaries in menarche (just before starting menstration, prepubescent female) women
Upper normal of 8cc
What is the normal volume in postmenopausal women
1-5.8cc
What is considered the abnormal volume for postmenopausal women
Greater than 8cc
What are the branches of the uterine arteries
Arcuate artery
Radial artery
Straight arterioles
Spiral arterioles
What branch of the uterine artery supplies the basil layer
Straight
What branch of the uterine artery supplies the decidual layer
Spiral
What is the path of venous return from the uterus
Venous plexus Uterine vein Internal iliac vein Common iliac vein IVC
What is the path of arterial blood supply to uterus
Aorta Common iliac artery Internal iliac artery Anterior branch of internal iliac artery Uterine artery
What is the path of blood supply to ovarian arteries
Aorta
Ovarian arteries
Hilum of ovary
What is the path of ovarian venous return
Right: right ovarian vein to IVC
Left: left ovarian vein to left renal vein to IVC
Do the ovarian arteries and uterine arteries form a anastomoses
Yes
What are the ligaments in the pelvis
2 broad 2 round 2 uterosacral 2 ovarian 2 suspensory 2 mesosalpinx 2 mesovarium
What ligament is a double fold of peritoneum that drapes over the uterus and Fallopian tubes
Broad
What ligament drapes over Fallopian tubes
Mesosalpinx
What ligament is the posterior portion of the peritoneum that attaches to the ovaries
Mesovarium
What ligament holds the uterine fundus and body in a forward position
Round
What ligament helps anchor the cervix posteriorly
Uterosacral
What ligament attaches the ovary to the lateral wall of the pelvis
Suspensory
What ligament attaches the ovary to the wall of the uterus
Ovarian
What’s another name of the suspensory ligament
Infundibulopelvic ligament
What is another name for the round ligament
Ligamentum tere uteri
What are the muscles in the abdominopelvis
Rectus abdominus
Psoas muscle
What is the rectus abdominus form
Anterior wall of the abdomen
What is the linea alba and where is it
The aponeuroses that fuses the 2 rectus muscles as well as the oblique and transverse muscles
Located at midline
What is the psoas muscle form
Posterior wall of the abdomen
What are the muscles in the false pelvis
Iliopsoas muscle
What is the location of the iliopsoas muscle in the pelvis
Anterior
Lateral
What is the location of the iliopsoas muscle when compared to the external iliac vessels
Lateral
What are the muscles in the true pelvis
Obturator internus
Piriformis
Lavator ani
Coccygeus
Where are the obturator internus muscles located
Side wallow pelvis
Directly lateral to uterus
Are the obturator internus muscles easily visible on ultrasound
No
Where are the piriformis muscles located
Posterior walls of pelvis
Posterior to cervix
What are the lavator ani muscles
Most inferior muscle
What muscles form the pelvic floor
Lavator ani
Coccygeus
What is located in the intraperitoneal potential space
Posterior curl de sac
Anterior cul de sac
What is another name for posterior cul de sac
Rectouterine pouch
What is another name for the anterior cul de sac
Vesicouterine pouch
What I’m located in the extraperitoneal potential space
Vaginal fonices
Space of retzius
What does the bladder do to the uterus
The variable stages of bladder distension causes the to fold
Where do the ureters enter the bladder
At the trigone
Where is the trigone located on the bladder
Posterior wall
How do the ureters travel to the ovaries
Inferiorly
What makes up the third point of the trigone
Urethra
What is the relationship of the urethra to the vagina
Anterior
What is the only organ in the pelvis that is not covered by peritoneum
Ovaries
Where is the perineum located
Between the thighs
What is the perineum
Soft tissue around the external genitalia and anus