Palate Anatomy

University:
North Idaho College
Course:
NURS 201 | Fundamentals Of Nursing
Academic year:

2020
Views:

350

Pages:

2
Author:

MichGar

PALATEThe palate forms the roof of the mouth. It comprises the hardpalate in front and the soft palate behind.HARD PALATEConstituted by the palatime processes of the maxillae and thehorizontal planes of palative bones.2Anteriorly and the sides are bounded by the alveolararches and gums.3Posteriorly the palate is continuous with the soft palate.It's covered with dense tissue.4Posterior half of palate is provided with the palatine murousglands, which lies between the murous membrane andperiosteum.5Upper Surface of the plalate forms floor of nasal cavity.SOFT PALATEDIPAWNAR RAYaExtends backward, downwards between the oral and nasalparts of pharynx.(2) It is a movable fold composed of mucous membrane whichencloses an aponeurosis, musclar fibres, nerves, vesselsLymphoid tissue and mucous glands. suspended from theposterior border of hard pable.(3Anterior surface of the palate is concave, marked bymedian raphe.4Posterior surface is convex continued with the foor ofnasal cavity.(5) Posterior margin of hard palate gives attachment totteSuperior border of soft palate. PALATEContSOFT PALATECont-6Sides of the palate is blended with pharynx-7Inferior, free border, hangs between the mouth andpharynx like a curton.(8Uvwa- - A conical process hangs, from the middle partof the lower border of palate DIPANKAR RAY(9) 2 curved folds of the mucous membrane which havemuscular fibres, extended laterally and downwardsfrom each side of base of uvula.ARTERIAL SUPPLY(A) Greater palatine branch of maxillary Artery(B) Ascending palatime branch of facial Artery(c) Palatine branch of ascending pharyngeal artery.DIPARAMARANVEINSDrain into pharyngeal venous plexus via para-tonsillarreins.LYMPHATIC DRAINAGEDrains into vetropharyngeal and uppergroup of deep cervical lymph nodes.NERVESSensary nerves are derived from the greater andand lesser respectively.long spheno-palatine and glossopharyngeal nerves.palatineMUSCLES (A) Levator veli palatini (B) Tensor veli palatini(c) Musculus levulae (D) Palatoglossus (E) Palatopharyngeus