alimentary system

Question 1

name the components of the alimentary canal

Answer 1

oral cavity, pharynx, oesophagus, small intestine, large intestine

Question 2

what is the function of the alimenatry canal?

Answer 2

digestion and absobtion

Question 3

what 2 groups of organs are in the alimentary canal?

Answer 3

digestive tract and accessory organs (salivary glands, gallbladder, liver etc)

Question 4

name the 4 layers of the GI tract and what they consist of

Answer 4

mucosa (epithelial, laminapropria, muscularis mucosa)
submucosa (secretory glands, connective tissue)
muscularis propria (inner circular, outer longitudial)
adventitia (major blood vessels and nerves)

Question 5

describe barrets oesophagus

Answer 5

metaplasia from strat squamous to columnar, result of GORD as acid from stomach changes epithelium

Question 6

describe coeliac disease

Answer 6

villi atrophy (dissapear), bigger grooves between villi, increase in inflammatory cells

Question 7

give 2 examples of IBD (inflammatory bowel disease)

Answer 7

crohns and ulcerative colitis