The document contains detailed anatomical diagrams and descriptions of the tonsils, palate, pharynx, and related structures. Key topics covered include the boundaries of the oropharyngeal isthmus, arteries supplying the tonsils, histological structure of the palatine tonsil, subdivisions of the pharynx, muscles of the soft palate, and development of the face and palate. Copyright information is provided for each image.

1. TONSIL AND PALATE

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Boundaries of the oropharyngeal isthmus

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Horizontal section through right palatine tonsil showing structures
deep to its lateral surface

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Arteries supplying the tonsil

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Histological structure of the palatine tonsil

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Subdivisions of the pharynx

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Oral aspect of the hard palate

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Muscles of the soft palate

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The sagittal section through the nose, mouth, pharynx, and larynx

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THEPHA~1

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Development of the face

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Development of the palate

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Varieties of the cleft palate

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Killian’s dehiscence

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Origin and course of the tensor palati muscles

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Bony and cartilaginous parts, isthmus, tympanic, and pharyngeal
ends of the pharyngotympanic tube

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Origin and insertion of the constrictors of the pharynx

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Origin and insertion of the longitudinal muscles of the pharynx

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Overlapping arrangement of the constrictor muscles of the pharynx

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Pathways for food (red arrow) and air (green arrow) through the
pharynx

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Pharyngeal diverticulum

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Schematic coronal section through larynx showing the location and
boundaries of the piriform fossa

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Structure of the pharyngeal wall

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Structures passing through the gaps in the pharyngeal wall

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Waldeyer’s ring