Shared Flashcard Set

Details

Digestive system
Digestive System
21
Anatomy
Graduate
11/16/2010

Additional Anatomy Flashcards

 


 

Cards

Term
The process involved in getting nutrients from enviromentto blood is by
Definition
ingestion
mechanial breakdown
Chemical digestion
Term
what is absorption?
Definition
it is passive and & active transport processes move monomers from lumen to gut to blood.
Term
whats is the defintion of:
Ingestion?
Mechanical breakdown?
Chemical digestion?
Definition
eating
chewing in mouth,churning in stomach
enzymatic breakdown of macromolecules to monomers sub units.
Term
Accessory structures to the digestive system are ?
Definition
Salivary glands
Liver
gallbladder
pancreas
Term
what is the definition of:
Nutrient?
Digestion?
Definition
any substances that the body cant synthesize, must be obteined from diet.
is the breakdown of the large molecules eaten as food to smaller molecules thatcanbe obsorbed.
Term
Digestion is accomplished by a biological catalyst called what?
Definition
enzymes
Term
What is a:
Rugae?
Villi?
Lumen?
Definition
folds in the stomach lining.
finger like projections in the (SI)
center of tubeof the digestive track(for chemicalbreakdown)
Term
what is the:
mouth used for?
Definition
for ingestion,mechanical breakdown,digestion via amylase.
Term
whats is the esophagus used for?
Definition
it is passage to the stomach (via peristalsis)
Term
what is the stomach used for?
Definition
Food storage,,mechanical breakdown,(via peristalisis and (chemical breakdown(pepsin)
Term
what is the small intestines used for?
Definition
chemical digestion by multiple enzymes, absobes into villi and peristalisis.
Term
what are large intestines used for?
Definition
reabsorption of fluid,storage before elimination,peristalisis.
Term
Lipids must be .........what?
by?
before?
Definition
mulsified by bile salt
they can be digested(by lipase)
Term
what is :
Peristalsis?
Chyme?
Definition
is the rthymical contraction of circular and longitudal muscle that moves contents in the GI tract.
is the liquid "food"leaving the stomach into small intestines.
Term
one exceptions of lipids or fats which are absorbed into ..........in the .......are called?
Definition
lymphatic vessels
villi
lacteals..
Term
the digestive system supplies the body withwhat?
Definition
nutrients
Term
where does most absorption take place ?
Definition
(SI)
Term
what are the role of the salvary glands?
Definition
it provide mucus which moistens food for swallowing ,amylase begins(enzymes)digestion of starch.
Term
what is the livers role in the digestive system?
Definition
synthesis of bile, which emulsifies fat also has a special portal circulation.
Term
what is the roll of the gallbladder?
Definition
concentration&stoarge of bile,for intermittent release in to (SI) as a bolus.
Term
what is the role of the pancreas?
Definition
exocrine and endocrine glands releases, bicarbonate-rich mucus&digestive enzymes.
Supporting users have an ad free experience!