Oral cavity extends between?
Lips and oropharynx
Oral fissure is?
Entrance to oral cavity (opening between lips)
Labial vestibule is?
Space between teeth and lips
Buccal vestibule is?
Space between teeth and cheeks
Oral cavity proper is?
Space within dental arcades
4 parts of hard palate
- Transverse ridges
- Median palatine raphe
- Incisive papilla
- Incisive duct
Incisive duct leads to?
Nasal cavity and vomeronasal organ
Vomeronasal organ is located?
At base of nasal septum
Soft palate aka?
Palatum molle
Soft palate continues caudally from the hard palate to?
Intrapharyngeal opening
Dorsal surface of soft palate is covered by?
Respiratory mucosa
Ventral surface of soft palate is covered by?
Oral mucosa (has longitudinal and transverse folds)
3 mm. of soft palate
- Palatine mm.
- Tensor veli palatini
- Levator veli palatini
Palatine mm. function
Shortens soft palate
Tensor veli palatini function
Tenses soft palate
Levator veli palatini function
Raises soft palate
2 aa. of palate
- Minor palatine a.
2. Descending palatine a.
Minor palatine a. is a direct branch from?
Maxillary a.
Descending palatine a. is a direct branch from?
Maxillary a.
2 branches from descending palatine a.
- Major palatine a.
2. Sphenopalatine a.
Major palatine a. course
Cd. palatine foramen → palatine canal → major and minor palatine foramina → hard palate
Major palatine a. supplies?
Hard palate
Sphenopalatine a. supplies?
Interior nasal cavity
Sphenopalatine a. course
Sphenopalatine foramen → interior nasal cavity
5 nn. of palate
- Minor palatine n.
- Major palatine n.
- Glossopharyngeal n.
- Vagus n.
- Mandibular n.
Minor palatine n. is branch of?
Pterygopalatine n.
Pterygopalatine n. is branch of?
Maxillary n.
Sensory supply to soft palate
Minor palatine n.
Major palatine n. is branch of?
Pterygopalatine n.
Major palatine n. passes through?
Palatine canal
Sensory supply to mucosa of hard palate
Major palatine n.
Major sensory n. of palate
Glossopharyngeal n.
Major motor n. of palate
Vagus n.
Glossopharyngeal and vagus nn. supply?
Pterygopharyngeal and palatopharyngeal mm.
Mandibular n. is branch of?
Trigeminal n.
Mandibular n. innervates?
Tensor veli palatini mm.