Pelvis Flashcards
What is the inguinal canal made up of?
Aponeurosis of the external oblique in front
Transversalis fascia in the back
Inguinal ligament on the bottom
Internal oblique on top
What runs in the inguinal canal?
Round ligament/spermatic cord
Vessels
Ilioinguinal nerve
What is retroperitoneal in the pelvis?
Bladder
Ureters
Rectum
End of rectum
Rectal ampulla
Anorectal flexure is maintained by?
Levator ani
What position is the uterus normally in?
Anteverted
What are the 3 areas of the cervix?
External os
Cervical canal
Internal os
Double layer of peritoneum that is draped over the uterus and tethered it to the lateral walls and floor of pelvis
Broad ligament
Ligaments located posteriorly from the uterus that tether it to the abdominal wall
Suspensory ligament of the ovary
Connects ovaries to the uterus
Ovarian ligament
Connect uterus to the abdominal wall anteriorly
Round ligament of the uterus
What are the remnants of the gubernaculum?
Ovarian ligament
Round ligament of the uterus
What is the blood supply to the uterus?
Uterine artery/vein from the anterior division of the internal iliac
What is the blood supply to the vagina?
Vaginal artery/vein (from uterine a/v)
What is the blood supply to the ovary and uterine tube?
Ovarian a/v (from aorta)
What are the 3 parts of the broad ligament?
Mesometrium
Mesovarium
Mesosalpinx
What does the inguinal canal turn into in the male?
Spermatic cord
Aponeurosis of external oblique = external spermatic fascia
Internal oblique = cremaster muscle
Transversalis fascia = internal spermatic fascia
What does the spermatic cord contain?
Testicular artery Testicular vein Ductus deferens Nerve to cremaser Testicular nerve
Where does the vas deferens cross?
Through the inguinal canal over the ureter
“Water under the bridge”
Secrete fluid that mixes with sperm
Seminal vesicles
Where is the prostate located?
At base of bladder surrounding the urethra
What is the pathway of sperm?
Testes —>epididymis —> Ductus deferens —> ejaculatory duct/seminal vesicle —>prostatic urethra/prostate —> penile urethra
What two ligaments make up the greater and lesser sciatic notch?
Sacrospinous ligament
Sacrotuberous ligament
What are the muscles of the pelvic floor?
Levator ani: puborectalis, pubococoygeus, iliococcygeus
Coccygeus
What innervates piriformis?
Nerve to piriformis
