Pelvis and Pelvic Floor Flashcards
(40 cards)
The pelvis is divided into what two regions by the pelvic brim?
False pelvis and true pelvis
Is the viscera of the pelvic cavity intra- or retroperitoneal?
Retroperitoneal
What are the three main bones of the pelvis?
2 os coxae and one sacrum
What are the three parts of the os coxae?
Ilium, ischium, and pubis
What is the shape of the pelvic brim in the male versus the female?
Male = heart shapped Female = oval
Do the male or females have a shorter pubic symphysis?
Females
Do males or females have a narrower pubic arch?
Males, <70 degrees
What is the angular measurement of a female’s pubic arch?
> 80 degrees
Do males or females have more flared iliac (alae) wings?
Females
Ischial tuberosities are closer together in males or females?
Males
The sacrum is shorter and less curved in males or females?
Females
The sacrospinous ligament connects what and borders what?
Ischial spine to sacrum/coccyx, and is the lower boundary of the greater sciatic foramen
The sacrotuberous ligament connects what and borders what?
Ischial tuberosity to the sacrum/coccyx. and is the lower boarder of the lesser sciatic foramen
What are the two major muscles of the pelvic wall?
Prirformis m. and obturator internus m.
What are the three levator ani muscles?
Iliococcygeous m., pubococcygeous m., and puborectalis m.
Where is the coccygeous m. in respect to the levator ani muscles?
Just superior
Describe the shape and location of the perineum?
A diamond shaped region between thigh
What are the two triangles that make up the perineum?
Urogenital and anal
Two apertures in the perineum would indicate male or female?
Male
The ureters cross what structure before they descend into the pelvis?
External iliac vessels
What is the name of the smooth muscle of the urinary bladder?
Detrusor urinae
Approximately how long is the female urethra?
3.5 - 4 cm
In the true pelvis the rectum is constricted by what muscle?
The puborectal sling which is the puborectalis m.
What is the structure of the spermatic cord?
Fascial sheath derived from anterior abdominal wall
