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27 terms

Accessory organs of the digestive tract

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accessory digestive organs
These are not part of the gastrointestinal tract but do play a key role in the digestive system
liver
This is a large organ located in the upper right quadrant of the abdomen
hepatic
pertaining to the liver
glucose
the liver removes excess of this, it is commonly known as blood sugar
glycogen
This is a form of starch which the liver converts back into glucose when the blood sugar level is low
bilirubin
is the pigment produced from the destruction of hemoglobin and released by the liver in bile
bile
this is a digestive juice secreted by the liver and aids in he digestion of fat. It is stored in the gallbladder
biliary tree
this provides the channels through which bile is transported from the liver to the small intestine
biliary
pertaining to bile
common hepatic duct
this is the trunk which is just outside the liver
cystic duct
after the bile travels through the common hepatic duct it enters and exits through this
gallbladder
pear-shaped organ about the size of an egg located under the liver
cholecystic
this means pertaining to the gallbladder
pancreas
This is a soft 6 inch long oblong gland that is located behind the stomach.
digestion
the process by which complex foods are broken down into nutrients that the body can use
degestive enzymes
these are responsible for the chemical changes that break food down into simpler forms
primary nutrients
charbohydrates, fats proteins vitamins and minerals are these which are only required in small amounts
metabolism
this includes all of the processes involved in the body's use of nutrients
anabolism
this is the building up of body cells and substances from nutrients
catabolism
this is the breaking down of body cells or substances releasing energy and carbon dioxide
absorption
this is the process by which completely digested nutrients are transported to the cells throughout the body
villi
finger like projections on the mucosa that lines the small intestine
lacteals
these are specialized structures of the lymphatic system which absorb fats and fat soluble vitamins
mastication
also known as chewing, this breaks down food and mixes it with saliva
bolus
this is a mass of food that has been chewed and is ready to be swallowed
peristalsis
this is a series of wave like contractions that moves food downwards
chyme
this is the semifluid mass of partly digested food that passes out of the stomach through the pyloric sphincter and into the small intestine