Anatomy Flashcards
What innervates the internal aspect of the cheeks, what does it branch from?
Buccal nerve, from the madibular branch of the trigeminal V3.
This part of the cheek is called the buccal mucousa
What innervates the cutaneous surface of the cheeks?
Buccal branch of the facial nerve VII
What innervates the parotid gand?
Otic ganglion, which is innervatioed by the
PSNS AND Glossopharyngeal (XI)
How do the secretions differ in the parotid, submandibular and sublingual glands?
Parotid - salivary
Submandibular - Mucous and serous
Sublingual - Mucous
What innervates the motor oropharynx?
Pharyngeal plexus - Vagus X
what innervates the hard and soft palate?
Greaterpalatine and nasopalatine branches of the maxillary branch of the trigeminal
V2
What is the floor of the oral cavity innervated by?
Lingual branch of the mandibular branch of the trigeminal nerve V3
What innervates the taste of the anterior 2/3 of tongue?
Chorda tympani
(Branch of facial nerve VII)
What innervates the motor of all of the tongue?
Hypoglossal XII
What innervates sensation of the anterior 2/3 of tongue?
Lingual branch of the mandibular branch of the trigeminal nerve V3
What innervates the posterior 1/3 of tongue both sensory and taste?
Glossopharyngeal (IX)
What is the lymphatic drainage of the parotid?
preauricular
What innervates the submandibular and the sublingual glands?
Chorda tympani
What is the lymphatic drainage of the submandibular gland?
submandibular lymph
What are the intrinsic muscles of the tongue?
Superior Longitudinal
Inferior Longitudinal
Transverse
Vertical
What are the extrinsic muscles of the tongue?
Hyoglossus
Styloglossus
Genioglossus
What are the extrinsic muscles of the tongue innervatied by?
Hypoglossal XII
What are the intrinsic muscles of the tongue innervated by?
Hypoglossal XII
What is the motor innervation to all of the muscles (intrinsic and extrinsic) of the tongue?
Hypoglossal XII
To which side will the tongue deviate in an injury to the hypoglossal XII nerve
Towards the affected side.
