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Lingual Miscules

Muscles of theTongue

Top most visible muscles of the tongue Superior Longitudinal
Middle part of the tongue Transverse and Vertical
Tendon going down the center of the tongue Lingual Septum
Intrinsic muscules (purpose) Change the shape of the tongue
Intrinsic Lingual muscles (Back to front) Longitudinal Lingual muscles
Superior Longitudinal lingual muscles(Origin) Back of the tongue off the mucus membrane
Superior Longitudinal Lingual muscles (insertion) Tip of tongue
Superior lingitudinal muscles (function) shorten the tongue and turn the tip upward
Intrinsic lingual muscles (side to side) Transverse lingual muscle
Transverse lingual muscle (origin) Medial Lingual septum
Transverse Lingual Muscle (insertion) Sides of the tongue
Transverse Lingual Muscle (function) Narrows the tongue
Lingual muscles (top to bottom) Vertical Lingual muscles
Vertical Lingual Muscles (origin) mucus membrane beneath the upper surface of the tongue
Vertical lingual muscles (Insertion) bottom surface of the tongue
Vertical lingual muscles (function) flatten and broaden the tongue when muscles are contracted
Extrinsic Lingual Muscules (purpose) Change the position of the tongue
Name the extrinsic lingual muscles Styloglossus, Hyoglossus and Genioglossus
Styloglossus (origin) Styloid process of the temporal bone
Styloglossus (Insertion) Side of the tongue
Styloglossus (function) function1: Pulls the tongue latterally if one side contracts, Function2: Pulls the tongue upward and backward if both sides contract
Hyoglossus (Origin) Greater cornu of the hyoid
Hyoglossus (inserstion) Sides of the tongue and styloglossus muscle
Hyoglossus (function) function1:Raise the hyoid bone for swollowing, function2: depress the back of the tongue
Genioglosus (origin) Bend of the mandible
Genioglosus (insertion) Hyoid bone
Genioglosus (function - Superior) If superior fibers contract, the tip of the tongue retracts
Genioglosus (function-infereior) If the medial/inferior fiber contract the entire tongue protracts
Innervation of the Lingual muscles XII cranial nerve- Hypoglossal nerve
Created by: msstarlyte