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Flashcards in Oral Cavity Deck (40)
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31

Which type of lingual papillae is most numerous at apex and margins of tongue?

fungiform

32

Geographic Tongue (Benign migratory glossitis)

Different textures on the tongue - surface anatomy changes as per what is eaten; Pattern forms based on what you eat or when stressed/relaxed

33

Is the ability to taste affected by geographic tongue?

no

34

Hairy Tongue (Lingua villosa nigra)

Fungi and bacteria can colonize on the filiform
is an acquired condition - common in adolescents; comes from not cleaning enough/properly; Color can change based on bacteria; Antibiotics and Antifungals are given; Is acquired and associated with poor hygiene

35

Extrinsic muscles of the tongue.

genioglossus, hyoglossus, styloglossus, palatoglossus (associated with external aspect of the tongue to move it peripherally)

36

Intrinsic muscles of the tongue.

change the surface anatomy or mucosa or papillae to amplify exposure to a particular taste (superior longitudinal, inferior longitudinal, transverse, vertical - continuous with genioglossus); where the genioglossus ends the intrinsics start

37

Genioglossus

constitutes bulk of tongue, mandible to tongue; depresses, protrusion, retracts, "wags," basically it does everything :p

38

Hyoglossus

thin muscle, hyoid bone to tongue, depresses tongue

39

Styloglossus

small muscle, styloid to tongue, retrudes and curls tongue

40

Palatoglossus

palatine process to tongue, elevate posterior tongue, innervated by CN X vagus nerve