The flashcards below were created by user
jadnebalasca
on FreezingBlue Flashcards.
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Dorsum
surface of the tongue
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Major regions of the tongue
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Median sulcus
- divides the dorsum in half
- running from front to back and ends at foramen cecum
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Sulci terminalis (2)
- Running diagnoally from foramen cecum
- Antero-lateral direction
- Separate tongue into anterior 2/3 and posterior 1/3
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Papillae
- Taste buds
- Located in the posterior third
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Lingual frenum
anchors the tongue to the floor of the mouth
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Superior longitudinal muscle
- Unpaired, near the surface
- Runs back to front
- Shorten the tongue and slightly raise the tongue tip
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Inferior longitudinal
- unpaired, under surface of the tongue from back to front
- can shorten the tongue and slightly lower the tongue tip
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Transverse
- From medial sulcus to lateral edges if the tongue
- Narrows and elongates the tongue
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Vertical
- Originate on surface and course downward toward under surface
- Contraction results in flattening of the tongue
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