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Muscles of the tongue Lingual artery and vein Structures in the floor of the mouth Glossopharyngeal nerve Hypoglossal nerve Kritchai Bespinyowong.

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Presentation on theme: "Muscles of the tongue Lingual artery and vein Structures in the floor of the mouth Glossopharyngeal nerve Hypoglossal nerve Kritchai Bespinyowong."— Presentation transcript:

1 Muscles of the tongue Lingual artery and vein Structures in the floor of the mouth Glossopharyngeal nerve Hypoglossal nerve Kritchai Bespinyowong

2 Muscles of the tongue Extrinsic muscles Intrinsic muscles

3 Extrinsic muscles of the tongue Genioglossus muscle Hyoglossus muscle Styloglossus muscle Palatoglossus muscle

4 Genioglossus muscle

5

6 Superior fibersRetract tip of tongue Middle fibersProtrude tip Inferior fibers of tongue Action Safety muscle

7 Genioglossus muscle Bilateral actionDepress center of tongue Unilateral actionContralateral protrude of tongue Action

8 Hyoglossus muscle Styloglossus muscle Palatoglossus muscle

9 Hyoglossus muscle Action Depress side of tongue Retract tongue

10 Styloglossus muscle Action Elevate side of tongue Retract tongue

11 Palatoglossus muscle Action Elevate posterior part of tongue ทำให้ Isthmus of fauces แคบลง

12 Intrinsic muscles of the tongue Superior longitudinal muscle Inferior longitudinal muscle Transverse muscle Vertical muscle

13 Intrinsic muscles of the tongue

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15 Nerve supply of muscles of tongue Hypoglosal nerve except palatoglossus muscle that supply by pharyngeal plexus

16 Lingual artery

17 Lingual vein Venae comitantes Vena comitans nervi hypoglossi

18 Structures in the floor of the mouth Mylohyoid muscle Geniohyoid muscle Sublingual salivary gland Submandibular duct Submandibular ganglion

19 Mylohyoid muscle Geniohyoid muscle

20 Mylohyoid muscle Action Elevate hyoid bone and base of tongue Elevate floor of mouth depress mandible Nerve supply Mylohyoid nerve

21 Geniohyoid muscle Action Elevate hyoid bone and tongue Nerve supply C1 โดยผ่านมาทาง hypoglossal nerve

22 Sublingual salivary gland Submandibular duct

23 Submandibular ganglion

24 Glossopharyngeal nerve

25 Hypoglossal nerve

26 “ จบแล้วขอรับ ”


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