Flashcards
Tongue
Cards in this deck (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—
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- Flashcards on Tongue, created by jemimanerima on 18/05/2016.
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- jemimanerima
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