• The filiform and circumvallate papillae are keratinized but the fungiform and foliate are nonkeratinized.
  • Longitudinal muscle squeeze tongu
  • Transverse fold tongue
  • Vertical curl the tongue
  • Lala=cn12
  • Mimi=cn7
  • Kuh Kuh=cn10
  • Medial to hypoglossal is lingual artery
  • Lateral to hypoglossal ( lingual vein,lingual nerve,submandibular duct,hypoglossal nerve)
  • Sweet:tip
  • Bitter:back
  • Sour:sides
  • Salty:tip and sides
  • Foliate papillae first aid says its nonfunctional!!!
  • A taste bud contains a cluster of 40-60 gustatory cell.
  • Chorda tympani to 2/3 of the tongue cell bodies located in geniculate ganglion synapse for taste travel with lingual nerve ,sympathetic way synapse in submandibular ganglion.
  • Chorda tympani join the lingual nerve in the infratemporal fossa.
  • Gland in tongue
  • Mucous:back ,front and sides
  • Serous:posteriorly(von Ebner)
  • Mixed:anteriorly(gland of Blandin-Nuhn)
  • Soft palate motor pharyngeal plexus except tensor veli by v3 …sensory by v2
  • Unilateral damage pharyngeal arch cause uvula to deviate to contralateral side.???? Ask in the forum or google it.
  • Superior salivatory nucleus send parasympathetic innervation to lacrimal gland synapse in pterygopalatine ganglion via great petrosal then postganglionic via lacrimal nerve
    • Highest emit per day is submandibular the second is parotid.

     

    • Ageusia : complete loss of taste.
    • Dysheusia: distrubabnce of taste.
    • Anasomia: abscenceof smell
    • Hyposmia: diminished of smell
    • Dysomoa: distoreted smell.

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