Category: Anatomy

Onodi cells

Onodi cells are the posterior most cells of the ethmoid sinus It is located superolateral to the sphenoid sinus and is in close relation to the optic nerve
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Pneumatic bones

Pneumatic bones are those bones which contain an air filled cavity within them In humans, they are seen in relation to the the nasal cavity – they enclose
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Canthus

Canthus is the area where the upper and lower eyelids meet There are 2 canthi – medial and lateral Alternate names (synonyms): Palpebral commissures
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