Anatomy of the mouth Flashcards
(36 cards)
What is the roof of the oral cavity?
Hard and soft palate
What is the floor of the oral cavity?
The mylohyoid muscle
What are the lateral walls of the oral cavity?
The cheeks
What is the anterior opening of the oral cavity?
Oral fissure
What is the posterior opening of the oral cavity?
The oropharyngeal isthmus
2 sections of the oral cavity
Oral vestibule and oral cavity proper
Innervation of upper teeth and palate
Maxillary nerve
Innervation of the lower teeth and oral part of tongue
Mandibular nerve
Innervation of oral part and anterior 2/3 of tongue
Facial nerve
Innervation of parasympathetic fibres from the glands within the oral cavity
Facial nerve which joins to the trigeminal nerve
Innervation of sympathetic fibres in the oral cavity
Trigeminal nerve
Innervation of the muscles of the tongue
Hypoglossal nerve EXCEPT palatoglossus which is innervated by the vagus nerve
Innervation of the muscles of the soft palate
Vagus nerve EXCEPT the tensor veli palatini which is innervated by the mandibular nerve
Innervation of the mylohyoid muscle
Mandibular nerve
The paired bones of the mouth
Maxillae, palatine and temporal
The unpaired bones of the mouth
Mandible, sphenoid, hyoid
The joint that elevates or depresses the mandible
Temporomandibular joint
The two sections of the body of the mandible
The alveolar process and the base
The lingula of the mandible
The inner surface
The skeletal muscle in the cheeks that is involved in facial expression
Buccinator muscle
The origin of the buccinator muscle
Pterygomandibular raphe
Three components of the floor of the oral cavity
Mylohyoid muscles, the geniohyloid muscle and the tongue
Where the geniohyloid muscles run to and from
From the posterior surface of the mandible to the anterior surface (body) of the hyoid bone
The three salivary glands
Parotid, submandibular and sublingual