Oral Cavity Flashcards
Oral Vestibule
space between lips, cheeks and teeth, gums
Oral Cavity Proper
b/t upper and lower dental arches
Palate
roof of oral cavity and floor of nasal cavity
Hard Palate
anterior part of palate
Soft Palate
posterior part of palate
Parts of Hard Palate
Palatine processes of maxilla
Horizontal plates of palatine bones
Uvula
projection of soft palate
Parts of Soft Palate
mucous membrane, palatine aponeurosis, muscles
Palatine Aponeurosis
expanded tendon of tensor veli palatini
Tensor Veli Palatini
Tenses palate and opens pharyngotympamic tube opening during swallowing and yawning
Inn for Tensor Veli Palatini
CN 5
Levator Veli Palatini
Elevates palate during swallowing and yawning
Inn for Levator Veli Palatini
CN 10
Palatoglossus
Elevates posterior part of tongue and draws soft palate
Inn for Palatoglossus
CN 10
Palatopharyngeus
Tenses soft palate and pulls pharynx up, in, and forward during swallowing
Inn for Palatopharyngeus
CN 10
Blood Supply to Palate
Descending Palatine Arteries
Nerve Supply to Palate
V2
Nasopalatine, Greater Palatine, Lesser Palatine NN
Frenulum
connects tongue to floor of mouth
Type of Muscle in Tongue
Striated Muscle
Sulcus Terminalis
splits tongue into anterior and posterior parts
Foramen Cecum
pit that marks the apex of the sulcus terminalis
Intrinsic Muscles of the Tongue
Not attached to bone
Extrinsic Muscles of the Tongue
attached to bones and soft palate
Inn to Tongue Muscles
CN 11
Palatoglossus- CN 10
Protrusion of Tongue
Genioglossus
Retraction of Tongue
Styloglossus and Hyoglossus
Depression of Tongue
Hyoglossus
Retraction and elevation of posterior 1/3 of Tongue
Styloglossus and palatoglossus
Shape Changes of Tongue
Intrinsic MM
Blood Supply of Tongue
Lingual Artery
Veinous Drainage of Tongue
Internal Jugular V
Lymph Drainage of Tip of Tongue
Submental Nodes
Lymph Drainage of Ant 2/3
Submandibular and Deep Cervical Nodes
Lymph Drainage of Post 1/3
Deep Cervical Nodes
Sensory Inn of Ant 2/3
Lingual N (CN5) and Chorda Tympani (CN7)
Sensory Inn of Post 1/3
CN 9