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Olfactory slit

Area in the upper part of the nasal cavity near the roof where the olfactory nerve endings are present In normal respiration, only about 5% of air passes
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Otitic hydrocephalus

Otitic hydrocephalus is a condition in which there is increased intracranial tension secondary to acute or chronic middle ear infection. The CSF shows shows normal levels of protein,
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Mansonia egg

Mansonia egg – microscopic view Click on image for an enlarged view Mansonia mosquitoes are vectors of malayan (brugian) filariasis and chikungunya fever Eggs are laid in star
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Etiology of papilledema

Papilledema refers to passive disc edema caused by increased intracranial pressure It is usually bilateral, although unilateral papilledema can exist in certain conditions Conditions causing increased intracranial tension
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Ethmoidal polyp – etiological factors

Various conditions are considered as possible etiological factors in development of ethmoidal polyps. They are: Asthma Chronic rhinosinusitis Kartagener’s syndrome Young’s syndrome Churg Strauss syndrome Cystic fibrosis Aspirin
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