urinary and circulation Flashcards
Unit 3: The Abdomen & Pelvis
What long, fibromuscular tubes conduct urine from the kidneys to the urinary bladder?
Ureters
What is the location of the ureters?
Retroperitoneal
Where do the ureters enter the bladder?
Posterolateral wall
What organ serves as a reservoir for urine?
Urinary bladder
What is the general location of the urinary bladder?
Posterior to the pubic symphysis
What is the position of the urinary bladder in relation to the peritoneum?
Retroperitoneal
What type of tissue is found lining the bladder, and why is it necessary?
transitional epithelium
allows the bladder to distend
Where is the base of the bladder located?
The posteroinferior aspect
Where is the apex of the bladder located?
The anterosuperior aspect
What structure of the bladder is responsible for the apex?
Median umbilical ligament
What important triangular shaped feature of the bladder appears at the base?
The trigone
What three structures make up the trigone?
Left ureter
Right ureter
urethra
What is the specific location of the bladder in females?
Inferior to the uterus
Anterior to the vagina
What is the specific location of the bladder in males
Superior to the prostate gland
anterior to the rectum
What fibromuscular tube conducts urine to the exterior of the body?
Urethra
What circular array of smooth muscle guards the orifice of the urethra?
Internal urethral sphincter
How long is the female urethra?
3-5 cm
How long is the male urethra?
18-20 cm
The bifurcations of the abdominal aorta themselves bifurcate into what two arteries?
Internal iliac arteries
External iliac arteries
What artery is a branch of the external iliac and supplies the abdominal wall?
Inferior epigastric arteries
What artery supplies blood to the pelvis and perineum?
Internal iliac artery
What blood vessel is the main arterial supply of the lower extremity?
External iliac artery
What structure marks the superior border of the femoral artery?
inguinal ligament
What vein extends from the hiatus of the adductor magnus to the inguinal ligament?
Femoral vein
What vein extends from the inguinal ligament to the merger of this vein with the internal iliac vein?
External iliac vein
What vein is formed by the convergence of the external and internal iliac veins?
Common iliac vein
The common iliac veins merge to form what vein?
Inferior vena cava
