BIOL 2320

22 important questions on BIOL 2320

What structures does the inferior mesenteric artery provide blood to?

left colic flexure, descending colon, sigmoid colon, rectum

Where do almost all the veins in the abdomen drain into?

the liver (throught the hepatic portal vein)

Abdominal Aortic Aneurysm

(triple A) an aneurysm (a weak spot in the wall of an artery) in the descending aorta in the abdomen
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Three common liver diseases

-cirrhosis (long-term alcoholic disease)
-hepatitis (STD)
-liver cancer (can't live without liver so you'll die)

Which are the only two organs attached to the ANTERIOR abdominal wall?

liver and urinary bladder

What structure stores bile? What structure makes bile?

stores: gallbladder
makes: liver

What is the renal medulla made up of?

renal columns and renal pyramids

Where and onto what vessels are kidney transplants attached?

lower right or left abdomen/pelvic region(behind belly button); external iliac artery and vein

Why are kidney stones dangerous?

they block urine output and they kill the part of the kidney that they are blocking

What is the tissue that the deep inguinal ring travels through?

transversalis fascia

What is the tissue that the superficial inguinal ring travels through?

external oblique aponeurosis

What five things is the spermatic cord made up of?

artery, vein, lymph, nerve, vas deferens

What is the name of the cord that pulls the testes down in a developing boy?

gubernaculum

Processus Vaginalis vs. Tunica Vaginalis

P.V.-lining of empty scrotum
T.V.-lining of scrotum once testes get there

Layers of the abdomen from the inside out:

peritoneum
subserous fat
traversalis fascia
transversus abdominis
internal oblique
external oblique aponeurosis
skin

Layers of the scrotum from the inside out:

tunica vaginalis
internal spermatic fascia
cremaster muscle
external spermatic fascia
skin

What muscle makes the testes raise and lower?

cremaster muscle

Benign Prostate Hypertrophy

(bph) enlarged prostate; squeezes prostatic urethra

What are the three different parts of the urethra?

prostatic urethra
membranous urethra
penile urethra

What is the true importance of leavtor ani?

to hold in pelvic contents

What does the median umbilical ligament mark?

where the bladder began to form

Which anal sphincter do you have voluntary control over? Which anal sphincter do you not have voluntary control over?

voluntary control: external anal sphincter
involunary control: internal anal sphincter

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