Digestive System Flashcards
Word for, act of picking up food
Prehension
Food mixed with saliva forms a
Bolus
Animals whos lips aid in prehension
And animals who’s lips do not
Do: horses, sheep, goats(flexible lips)
Don’t: cows, pigs (stiff)
Cows have this on their cheeks and on tongue to help in chewing
Papillae
This is too long in brachycephalic breeds, can cause snoring
Soft palate
The tongue is ____ muscle covered by mucous membrane
Skeletal
Cattle use this for prehension
Tongue
The tongue is rostrally attached to the floor of the mouth by
Frenulum tissue
When someone is “tongue tied” this means
Born w a tight frenulum
Deciduous teeth
Baby teeth
Dentin, which makes up most of a tooth, contains what minerals
Calcium and phosphorus
The exposed part of teeth is covered in
Enamel
Incisors are used for
Cutting
Max number of incisors on each side of midline
3
Canines are used for
Tearing and seizing
Elephant tusks are canines made of ivory. Ivory is just
Pure dentin (no enamel )
Max number of canines in each side
1
How many premolars and molars on each side
2-4
Premolars and molars are used for
Grinding food
Which species has a full dentition (as many of each kind of teeth as you can possible have)
Pigs
Teeth formula for dog
I3 C1 P4 M2
—
M3
Teeth formula for cats
I3 C1 P3 M1
—
P2
“Broken mouth” in sheep
1 or 2 teeth missing
“Smooth mouth” in goats
Over 2 teeth missing
Sheep are checked for missing teeth before being sold, this is how what disease spreads
Foot and mouth disease
Which teeth are needle teeth in piglets
Deciduous I3 and C
Ruminants have a dental pad rather than teeth where (upper or lower)
Upper mouth
“Wolf teeth” in horses that affect bite is what teeth
P1
Retained deciduous teeth are called
Caps
Filing down a horses caps is called
Floating
The carnassial tooth, used for shearing in dogs and cats, is what teeth
P4 upper and M1 lower
Adult teeth that don’t continue growing over lifetime, wear away over time
True teeth, aka brachydont teeth
Adult teeth that constantly erupt over animals lifetime as surface wears down
Hypsodont teeth
Rodents, beavers, rabbits, and horses have what kind of adult teeth
Hypsodont teeth
Aging a cow based on permanent teeth eruption
I1- 2 years
I2- 2.5 years
I3- 3 years
C4- 4 years
Aging a horse based on permanent teeth eruption
I1- 2.5 years
I2- 3.5
I3- 4.5
Aging a dog based on permanent teeth eruption
I1- 4 months I2- 4.5 months I3- 5 months C- 6months P and M permanent by 1 year
Visible part of tooth above gum line
Crown
Part of tooth at gum line, where tooth narrows
Neck
Part of tooth imbedded in socket or alveolus
Root
Incisors and canines have how many roots
Molars and premolars?
1
2 or 3
Central part of tooth that contains blood vessels and nerves
Pulp cavity
Antibiotic that if used by pregnant dam, or by a young child before adult teeth come in, causes discolored is enamel
Tetracycline
Outer layer of root
Cementum
Labial surface of a tooth
Towards lips
Lingual surface of tooth
Towards tongue
Buccal surface of a tooth
Towards cheek
Palatal surface of a tooth
Towards hard palate
Table or occlusal surface of a tooth
Biting surface between upper and lower teeth
Contact surface of a tooth
Contact area between teeth that are next to each other
Mesial
Towards midline
