Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
where and what degrades the medium chain fatty acids that one finds in human milk
|
the stomach
gastric lipase AND lingual lipase |
|
what cleaves pepsinogen to pepsin
|
strong acid
AND already activated pepsin |
|
pepsin
endo or exopeptidase |
endopeptidase
|
|
the two enzymes intestinal cells release when chyme arrives from the stomach
|
secretin (in response to acid)
cholecystokinin (in response to lipids and amino acids) |
|
what do the vagal afferents in the duodenum monitor
|
osmolality
|
|
CKK does things
|
initiates gallbladder emptying
initiates pancreatic enzyme secretion inhibits gastric motility activates enteropeptidase |
|
secretin causes
|
bicarbonate excretion from the pancreas
|
|
the pancreas has beta cells (glucagon), alpha cells (insulin) and delta cells (________ )
|
somatostatin
|
|
pancreatic alpha amylase turns oligosacharides into
|
dissacharides
|
|
trypsinogen is activated to trypsin in the lumen of the duodenum by
|
enteropeptidase
|
|
3 fine things bile salts accomplish
|
transport of cholesterol from liver to the duodenum
emulsification of dietary lipids uptake of products of lipid digestion into intestinal epithelia |
|
pancreatic lipase is secreted with
|
pro-colipase
|
|
whats lysophosphatidylcholine gonna do
|
emulsify lipids with the bile salts
|
|
what cleaves procolipase
|
trypsin
|
|
is trypsin itself proteolytic
|
yes
|
|
decrease of bile salts and phosphatidylcholine in bile
or increased biliary secretion of cholesterol |
can lead to gallstones
Cholethiasis |
|
the 2 components of lactose
|
glucose
galactose |
|
some causes of secondary lactose intolerance
|
damaged or lost intestinal mucosa cells
celiac disease (immune-mediated response to gluten) severe diarrhea or gastroenteritis, ie. rotovirus |
|
mechanism of glucose and galactose transport into intestinal epithelial cells
which transporter |
SGLT
|
|
most amino acid transporters (into intestinal epithelia) are of what type
|
sodium dependent cotransporters
|
|
the components of TAG (re)synthesis is intestinal mucosal cells
|
a monoacylglycerol
two fatty acyl-coA |
|
what immediately happens to free fatty acids that enter the intestinal epithelial cells
|
immediately converted to fatty acyl-coA
|
|
steatorrhea
what it is and four causes |
fatty feces
lack of conjugated bile salts defective pancreatic juice defective mucosal cells shortened bowel |
|
what does colipase do
|
colipase separates the bile salts from the lipid droplet
and anchors pancreatic lipase on the lipid-water interfac |