Floor of mouth and tongue

what are the boundaries of oral cavity? a: anterior b: posterior c: roof d: floor

a: alveolar/dental arches of mandible and maxilla b: oropharyngeal isthmus - space bounded laterally by palatoglossal folds c: hard palate and soft palate d: tongue, muscles of floor of mouth

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what is the function of chorda tympani

parasympsathetic secretomotor to submandibular and sublingual gland. special sense of taste to anterior 2/3rds tongue

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what nerve supplies the papillae of tongue

vallate- CN IX, Foliate- CN VII, filiform- CN V3, fungiform- CNVII

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What do the intrinsic and extrinsic muscles of tongue

intrinsic- originate and insert within tongue. alter shape of tongue. extrinsic- ordinate outwit the tongue and insert into it

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what do the longitudinal and transverse and vertical muscle do

longitudinal- make tongue short and thick. transverse and vertical- make tongue long and narrow

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what are the extrinsic muscles

styloglossus, hypoglossus, genioglossus, palatoglossus,

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what are tongue muscles. supplied by

CN XII apart. from palatoglossus which is supplied by CN. X

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where would the tongue point if cn xii was damaged

towards the side of the injured nerve

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what is the buccal and lingual sulcus

buccal: deepest part of cheek part of vestibule. lingual: deeper part of area between tongue and teeth

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what does the geniohyoid. attach to

inferior mental spines/ genial tubercle of mandible

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Where are the sublingual and deep part of submandibular gland situated in comparison to mylohioyd

underneath the mylohyoid

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what is the posterior and anterior part of tongue innervated by

posterior cn IX - for general sensation asnterior- CN V3 for sensation CN VII for taste

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Floor of mouth and tongue

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