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Animal Anatomy - LO3 Digestive System
The digestive system
29
Anatomy
Undergraduate 1
01/31/2012

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Term
Produces the enzymes to digest proteins, fats and carbohydrates in the small intestine. Insulin is also produced here.
Definition
Pancreas
Term
The organ that mixes food in the mouth and makes swallowing occur.
Definition
Tongue
Term
Micro-organisms digest cellulose in this modified part of the stomach.
Definition
Rumen
Term
Produces saliva containing Amylase.
Definition
Salivary Glands
Term
Carries food from the mouth to the stomach.
Definition
Oesophagus
Term
Stores bile.
Definition
Gall Bladder
Term
This muscle controls the passage of food out of the stomach.
Definition
Pyloric Sphincter
Term
Both food and air pass along this.
Definition
Pharynx
Term
Indigestible matter held here before defecation.
Definition
Rectum
Term
Produces bile.
Definition
Liver
Term
A bag made of muscle where food is held. Gastric juice and HCL are added here.
Definition
Stomach
Term
Where food is mixed with bile and where digestion of proteins, fats and carbs occurs. A large surface area is full of villi which enables absorbtion.
Definition
Small Intestine
Term
Water and salts are absorbed here.
Definition
Colon
Term
Where micro-organisms digest fibre in rabbits and horses.
Definition
Caecum
Term
Hardest substance in the body; covers the tooth.
Definition
Enamel
Term
Found under the enamel of the tooth.
Definition
Dentine
Term
Chisel-shaped teeth at the front of the mouth which capture and hold prey.
Definition
Incisors
Term
The way in which the number of the different kinds of teeth of mammals can be expressed.
Definition
Dental Formula
Term
A space in the mouth of rodents and herbivores where the canines would normally sit.
Definition
Diastema
Term
These teeth keep growing throughout the life of the animal. Eg, horse, rodents.
Definition
Open-rooted
Term
These teeth are used for grinding.
Definition
Molars
Term
Long, cone shaped teeth. Well developed in carnivores, form tusks in male pigs which pierce the prey.
Definition
Canines
Term
These teeth are found in carnivores. They are formed from premolars and molars and are used for shearing flesh.
Definition
Carnassial Teeth
Term
The rhythmic contraction of the smooth muscle in the gut wall to push food along the digestive tract.
Definition
Peristalsis
Term
Functions of this organ include: making bile, producing heat, storing vitamin A, storing glycogen, storing iron, removing toxin molecules from the blood and making blood proteins.
Definition
Liver
Term
Amylase digests carbohydrates to produce ?
Definition
Glucose
Term
Lipase digests fats (lipids)to produce ?
Definition
Fatty Acids and Glycerol
Term
Pepsin and protease digest proteins to produce ?
Definition
Amino Acids
Term
Moves up to cover the naso-pharynx.
Definition
Soft Palate
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