atlas anatomyof the pharynx
TRANSCRIPT
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ANATOMY OF THE PHARYNX
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Median section of the pharynxMedian section of the pharynx
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Anterior relationsAnterior relations
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Cavity of the pharynxCavity of the pharynx
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The Naso and oropharynxThe Naso and oropharynx
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The Choana and NasopharynxThe Choana and Nasopharynx
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Plain X ray showing boundaries of the nasopharyx
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Axial CT showing boundaries of the nasopharyx
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Adenoids & Eustachian tubeAdenoids & Eustachian tube
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The OropharynxThe Oropharynx
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The oropharynxThe oropharynx
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Grading the Size of TonsilsGrading the Size of Tonsils
Grading system:A. 0 – tonsils in fossaB. +1 – tonsils less than 25%C. +2 – tonsils less than 50%D. +3 – tonsils less than 75%E. +4 – tonsils greater than 75%E. +4 tonsils greater than 75%
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Tonsils SizeTonsils Size
I III
II IVII
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Histology of Palatine TonsilsHistology of Palatine Tonsils
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The Laryngopharynx (Hypopharynx)
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Endoscopic view of the larynx & laryngopharynx
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Subepithelial lymphoid tissueSubepithelial lymphoid tissue
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Histology of adenoids in comparison to the palatine tonsil
Adenoid Palatine tonsil
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Posterior & lateral relations of the pharynx
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Posterior & lateral relations of the pharynx
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Blood supply• Arterial from the external
carotid artery
• Ascending pharyngeal
• The lingual arteryThe lingual artery
• The facial artery
• The maxillary artery
• Venous drainage to the ginternal jugular
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LymphaticsLymphatics
• Retropharyngeal nodes
• Deep cervical (jugular)
nodes
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Jugulo Diagastic nodesJugulo‐Diagastic nodes
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THE PARAPHARYNGEAL SPACETHE PARAPHARYNGEAL SPACE
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THE RETROPHARNGEAL SPACETHE RETROPHARNGEAL SPACE