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Hard and soft palate
The palate has two parts: the hard (bony) palate anteriorly and the soft (muscular) palate posteriorly. The hard palate forms the roof of the oral cavity and floor of the nose. It receives blood vessels from the greater palatine artery and nerves from the greater palatine and nasopalatine nerves. The soft palate is a movable muscular fold suspended from the posterior border of the hard palate. It has anterior and posterior surfaces and superior and inferior borders, and hangs the conical uvula from its middle.
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Hard and soft palate
- 1. HARD PALATE ANDSOFT PALATE BRISSO ARACKAL 1BRISSO ARACKAL
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- 3. Palate Lies in theroof of the oral cavity Has two parts: – Hard (bony) palate anteriorly – Soft (muscular) palate posteriorly hard soft palate 3BRISSO ARACKAL
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- 8. HARD PALATE: position •The anteriolateral margins of the palate are continuous with the alveolar arches and gums. • The posterior margin gives attachment to the soft palate. • The superior surface forms the floor of the nose. • The inferior surface forms the roof of the oral cavity 8BRISSO ARACKAL
- 9. HARD PALATE: vesselsand nerves • Arteries: Greater palatine branch of maxillary artery. • Veins: pterygoid plexus of veins. • Nerves: Greater palatine and nasopalatine branches of the pterygopalatine ganglion suspended by the maxillary nerve. • Lymphatics: The lymphatics drain mostly to the upper deep cervical nodes and partialy to the retropharyngeal nodes. 9BRISSO ARACKAL
- 10. SOFT PALATE • Itis movable, muscular fold, suspended from the posterior border of the hard palate. 10BRISSO ARACKAL
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- 12. SOFT PALATE: SURFACES •1. The anterior (oral) surface- is concave and is marked by median raphe. • 2. The posterior surface- is convex , and is continuous superiorly with the floor of the nasal cavity. 12BRISSO ARACKAL
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- 14. SOFT PALATE: Borders •1. The superior border –is attached to the posterior border of the hardpalate ,blending on each side with the pharynx. • 2. The inferior border- is free and bounds the pharyngeal isthmus. From its middle, there hangs a conical projection , called uvula. 14BRISSO ARACKAL
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- 18. Palatine Aponeurosis Fibrous sheath Attachedto posterior border of hard palate Is expanded tendon of tensor velli palatini Splits to enclose musculus uvulae Gives origin & insertion to palatine muscles 18BRISSO ARACKAL
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