Flashcards

Tongue

jemimanerima Inglês 21 flashcards

Flashcards do conjunto (21)

1IS?Mass of striated muscle fibres covered b mucus membranes
2FunctionsDeglutination(swallowing)
Speech
Taste
Sexual arousal
3Taste buds-Filiform papillae(tips)
-Fungiform papillae(sides)
Vallate papillae(20, posterior aspect)
4EpitheliumStratified squamous non-keratinised
Note: Can become keratinised in smokers
5Sulcus terminalisseparates tongue into anterior 2/3 and posterior 1/3
6Foramen cecumsite of origin of thyroid gland
7Lingual thyroidthyroig gland doesnt descend into neck-congenital anomaly
8Lingual frenulumattaches tongue to floor of mouth
Lingual veins
Plica fimbriata produced by sublingual salivary gland
9Muscles 2 typesIntrinsic
Extrinsic
10IntrinsicWithin tongue
No extra bony attachments
Longitudinal, transverse, vertical muscles
Alter shape of tongue
11ExtrinsicOriginate from external bones and structures
-Styloglossus
-Hyoglossus
-Palatoglossus
-Genioglossus
12Styloglossuselevation and retraction of the tongue
13hyoglossusdepression of the tongue
14palatoglossusgeelevation of the tongue
15genioglossusprotrusion of the tongue
16nerve supplyMotor
Sensory
17MotorHypoglossal nerve except palatoglossus-pharyngeal plexus
18sensoryPosterior 1/3-glossopharyngeal
Anterior 2/3- Facial nerve(chorda tympani)-for taste
Lingual nerve-pain, temp, touch
19Blood supplyLingual artery-branch of external carotid
20Lymphaticstip-submental lymph nodes
rest of anterior-submandibular
posterior-deep cervical
21—