Topic 15: Digestive System - Structures - oral cavity Flashcards
What does the oral cavity include? (4)
- lips
- cheeks
- palate
- tongue
What does the hard palate include? (2)
- 2 maxillae
- 2 palatine bones
What does the soft palate include? (2)
- skeletal muscle
- posterior projection called the uvula
What does the uvula do when swallowing?
- rises to close nasopharynx when swallowing
What bone is the tongue attached to?
hyoid bone
What type of muscle is the tongue?
skeletal muscle
The tongue has tastebuds. What are they?
- projections of mucosa called papillae
name the three pairs of salivary glands
- Parotid
- Submandibular
- Sublingual
Where is the parotid salivary gland?
Inferior and anterior to ears
what is mumps?
Inflammation of one or both parotids
where is the submandibular salivary gland?
- floor of mouth
where is the sublingual salivary gland?
Below tongue on floor of mouth
what is saliva made out of? (2)
99.5% water
0.5% solute ie. enzymes
what is dentition?
teeth
Where is dentition found?
- in maxillae and mandible
What is child dentition, primary dentition called?
- deciduous “baby” teeth
What is adult dentition called? (2)
- secondary dentition
- permanent teeth
Please see diagram of all the teeth in a baby and adult
How many teeth does a child have?
20
How many teeth does an adult have?
32
