Oral Cavity, Salivary Glands and Teeth Flashcards
1
Q
What are the Lips
A
- Soft fleshy folds
- Shape entrance to oral cavity
2
Q
What is the roof of oral cavity made of
A
-hard and soft palates
3
Q
what is the inferior of oral cav made of
A
-tongue
4
Q
oral cavity surrounds…
A
- cheeks
- salivary glands
- teeth
5
Q
What is the pharynx
A
- located posteriorly
- continues with oesophagus
6
Q
Structure of taste receptors
A
- fungiform papillae
- foliate papillae
- vallate papillae
7
Q
Cranial nerves of tongue
A
- Vagus (CN 10)
- Glossopharyngeal (CN 9)
- Facial (CN 5)
8
Q
What are Fungiform Papillae
A
- mushroom shaped projections
- generally red
- Found upper surface
- Found tip and sides
9
Q
What is the foliate papillae
A
- 4-5 short vertical folds
- present on side of tongue
- taste buds scattered over the mucous membrane of their surface
- serous glands drain into folds to clean taste buds
lingual tonsils behind the foliate papillae
10
Q
What is the vallate papillae
A
- dome shaped
- vary in number (8-12)
- on surface of tongue and immediately anterior to lingual tonsils
- form a row on either side of tongue
- papilla are 1-2mm wide, cone shaped, contain many taste buds (120-250)
11
Q
What are the three salivary glands
A
- Parotid gland (under ear)
- Submandibular Gland (underneath area of mandible)
- Sublingual gland (under tongue, in front of submandibular glands)
12
Q
What does the parotid gland do
A
- releases saliva into oral cavity via parotid duct
- largest salivary gland
- paired right and left
- wrapped around ramus of madible
- releases saliva into oral cavity via parotid duct
13
Q
what is the submandibular gland
A
- Releases saliva into submandibular duct under tip of tongue
- produces 60-70% of saliva
14
Q
What is the Sublingual gland
A
- releases saliva from 8-20 excretory ducts
- mucous secretions
- produces 5% saliva
15
Q
Quadrants of teeth
A
- upper right
- upper left
- lower right
- lower left
