m9 + 10 lab - digestive anatomy

Question 1

what is the duodenum known as?

Answer 1

the guts brain
- tells what hormones to release for digestion

• is the first 10 inches of small intestine

Question 2

what does the falciform ligament on the anterior liver do?

Answer 2

• down the front
• divides liver into right (80%) and left (20%) lobes

Question 3

what color is the hepatic portal vein? and what does it do?

Answer 3

• purplish color
• drains GI tract to the liver so it can process food

Question 4

where is the round ligament of the posterior liver?

Answer 4

• bottom of the falciform ligament (used to be umbilical vein)

Question 5

what is the gallbladder for?

Answer 5

• bile storage and secretion

Question 6

what does the cystic duct of the gallbladder looked like?

Answer 6

• is the narrow neck of gallbladder

Question 7

what is the palatine tonsil?

Answer 7

a lymph node

Question 8

what is the crown of a tooth covered with?

Answer 8

enamel

Question 9

how many teeth are there in an adult?

Answer 9

• 32 adult
• 20 decidious

Question 10

aspects of the tongue?

Answer 10

• used for taste, swallowing, + mastication
  CN 7 (facial) + 9 (glossopharyngeal)

Question 11

name of taste buds?

Answer 11

• fungiform papillae
• circumvallate papillae

Question 12

what are the three salivary glands?

Answer 12

• parotid gland
• sublingual gland
• submandibular gland

Question 13

what does the frenulum of the tongue do?

Answer 13

• piece of tissue that holds the tongue/ lips in place

Question 14

how much saliva does the parotid gland produce?

Answer 14

1.5 L/day produced

Question 15

what enzymes are produced by the parotid gland and what do they process?

Answer 15

amylase (starch + carbs)
lipase (fat)

Question 16

what is churning?

Answer 16

done by muscularis externa
- mixing of food w/ acid + enzymes
- .5 gal of food in stomach

Question 17

what is the hiatus?

Answer 17

• esophagus entrance through the diaphragm

Question 18

aspects of bile?

Answer 18

bile salts
- emulsifier (breaks down fat)
bilirubin
- waste (turns feces brown)
- black (bleed) , pale (liver Dz, blocked duct)

Question 19

what does the mesocolon do?

Answer 19

• holds the large intestine in place

Question 20

how long is the jejunum?

Answer 20

3 - 4 ft

Question 21

what does the mesentery do?

Answer 21

holds small intestines in place

Question 22

how long is the ileum ?

Answer 22

4-6 ft

Question 23

what are the 5 main parts of the large intestine?

Answer 23

4 - 6 ft
1) cecum (pouch)
2) ascending colon
3) transverse colon
4) descending colon
5) sigmoid colon (starts curve)
6) rectum (pouch)

Question 24

what are the teniae coli?

Answer 24

• muscle of colon - creates BMs

Question 24

what is the vermiform appendix?

Answer 24

“giant lymph node”