Teeth

Question 0

Brachydont Teeth

Answer 0

• short/simple tooth

- stops growing once they reach in-wear length

Question 1

Teeth functions

Answer 1

1. Prehension
2. Mastication
3. Defense
4. Age estimation
5. Identifcation

Question 2

Cementum has

Answer 2

cementocytes in lacunae

Question 3

Tissues with cells in lacunae

Answer 3

1. Bone
2. Cartilage
3. Cementum

Question 4

Alveolus

Answer 4

• tooth socket
• made of compact and spongy bone
• supports and protects teeth
• in bone of maxilla & mandible

Question 5

Hypsodont teeth

Answer 5

• compound teeth
• completely covered by cementum
• lack distinct neck
• always grow

Question 6

Species variation of hypsodont teeth

Answer 6

Pigs’ canines
Ruminants’ cheek teeth
ALL Horses’ teeth

Question 7

Dental pad

Answer 7

in ruminants
heavily keratinized
replaces upper incisors and canines

Question 8

Salivary Gland ducts

Answer 8

intercalate ducts -> striated ducts -> interlobular ducts -> main ducts

Question 9

Salivary Gland Functions

Answer 9

• moisten oral mucosa and food
• some carb digestion
• protection from pathogen via Abs (contain plasma cells)

Question 10

Esophageal Tunica Muscularis in ruminants & dogs

Answer 10

all skeletal muscle

Question 11

Esophageal Tunica Muscularis in birds

Answer 11

all smooth muscle

Question 12

Esophageal Tunica Muscularis is other species (horses, cats, etc)

Answer 12

part skeletal and part smooth muscle

Question 13

Esophageal glands in mammals

Answer 13

mixed glands in submucosa

Question 14

Esophageal glands in birds

Answer 14

mucous glands in lamina propria

Question 15

Crop

Answer 15

avian structure used for food storage,
thicker epithelium than esophagus
absent of glands