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This image depicts a sagittal section of the head and neck, showcasing the upper respiratory and digestive systems. Key structures labeled include the nasal conchae, nasal passages, sinuses (frontal and sphenoid), soft and hard palates, tongue, epiglottis, pharynx (nasopharynx, oropharynx, hypopharynx), tonsils (palatine and pharyngeal), esophagus, and trachea. The image also indicates the location of the Eustachian tube opening and related structures. The text describes the oropharynx and palatine tonsil's function in immune defense and the potential for infection in the tonsillar crypts.
LANDLORD242

Dec 24, 2025, 5:03 AM

Chongqing High-tech Zone, China

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larynx
pharynx
oral cavity

This image depicts a sagittal section of the head and neck, showcasing the upper respiratory and digestive systems. Key structures labeled include the nasal conchae, nasal passages, sinuses (frontal and sphenoid), soft and hard palates, tongue, epiglottis, pharynx (nasopharynx, oropharynx, hypopharynx), tonsils (palatine and pharyngeal), esophagus, and trachea. The image also indicates the location of the Eustachian tube opening and related structures. The text describes the oropharynx and palatine tonsil's function in immune defense and the potential for infection in the tonsillar crypts.

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LANDLORD242

Dec 24, 2025, 5:03 AM

Chongqing High-tech Zone, China

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