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Lingual Miscules
Muscles of theTongue
| Question | Answer |
|---|---|
| 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
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