Muscular System Dr. Jamal Ahmad

1. Muscles of
Tongue

2. •INTRINSIC MUSCLES
• Present within tongue only
• Superficial longitudinal
• Deep longitudinal
• Vertical
• Transeverse
• Hypoglossul nerve

4. •EXTRINSIC MUSCLES
• Arises from other structures and end in
tongue. .
• Genioglossus
•Hyoglossus
•Styloglossus
•Palatoglossus

5. •Genioglossus
• Mental symphysis
• Dorsum of tongue
• Inferior fiber protrude midle fiber depr
ess and superior fiber retract back to to
ngue
•Hypoglossal nerve

6. •Hyoglossus
• Hyoid bone
• Side of tongue
• Retracts and depression the tongue
•Hypoglossal nerve

7. • Styloglossus
• Styloglossus process of temporal bone
• Side of tongue
• Retracts and elevate the tongue
•Hypoglossal nerve

8. •Palatoglossus
• Palatine aponurosis
• Broadly across the tongue
• Elevate posterior aspect of tongue
•Vagus nerve