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HARD PALATE AND SOFT PALATE

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Palate Lies in the roof of the

oral cavity Has two parts: – Hard (bony) palate

anteriorly– Soft (muscular)

palate posteriorly

hard

soft palate

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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

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HARD PALATE: vessels and 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.

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SOFT PALATE

• It is movable, muscular fold, suspended from the posterior border of the hard palate.

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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.

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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.

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Palatine Aponeurosis Fibrous sheath Attached to posterior

border of hard palate Is expanded tendon of

tensor velli palatini Splits to enclose

musculus uvulae Gives origin & insertion

to palatine muscles

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