Digestive 2

Question 1

what are the functions of the stomach

Answer 1

stores food, mechanical breakdown of ingested food (aka chyme), chemical digestion (secretes HCl and Pepsin), minimal absorption

Question 2

how many ml of chyme does the pyloric sphincter allow into the superior duodenum at a time?

Answer 2

3 ml

Question 3

how thick is the mucosa of the stomach?

Answer 3

1mm

Question 4

what makes up the 2L of gastric (digestive) juice that the gastric glands secrete per day?

Answer 4

HCl from parietal cells

Pepsin (proteolytic enzyme) from chief cells

Question 5

during development of the ventral and dorsal parts of the stomach, which develops more rapidly?

Answer 5

The dorsal wall and mesentary grow faster and form the greater curvature and greater omentum

Question 6

during development, after the stomach rotates 90 degrees on its axis to the right, the ventral mesogastrium becomes the lesser omentum as well as which ligament?

Answer 6

falciform ligament

Question 7

what are the contents of the portal triad?

Answer 7

hepatic artery, portal vein, bile duct

Question 8

name the 4 ligaments of the dorsal mesogastrium which are divided by the spleen

Answer 8

gastrophrenic
gastrosplenic
splenorenal (between spleen and kidney & diagram- later fuses with posterior intraperitoneal wall)
greater omentum (gastrocolic)