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The tongue starts to develop as
a swelling that arises out of the back part of the pharyngeal arches.
Intrinsic-Superior longitudinal group:
runs from anterior to posterior. Lies near dorsum of the tongue.
Intrinsic-Inferior longitudinal group:
runs anterior to posterior. Lies near bottom or vent rum of the tongue.
V-shaped row of about 13 circular raised papillae. Located about 2/3rd of the way back on the tongue with the point of the V facing posteriorly.
This divides the tongue into anterior 2/3rd and posterior 1/3rd. It CONTAINS taste buds. Has von Ebner glands.
present on the anterior 2/3rd of the tongue. They DO NOT contain taste buds. They provide tactile sensation.
long papillae on the tongue that can trap food and pigmentations. Mainly filiform and fungiform.
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