Nostril

nostrils
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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nostril
(nares) An external opening of the nose leading into the nasal cavity.
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The nostrils of bony fishes open only to the outside and are used for smelling. Some of the lobe-finned fishes developed internal openings to their nostrils. This made it possible to breath air with the mouth closed as modern lungfishes do.
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nares Nostrils; the openings in the nose through which air enters.
nastic movement A plant's response to a stimulus in which the direction of the response is independent of the direction of the stimulus. Non-directional plant movements.
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blowhole The nostrils, or nasal openings, of cetaceans.
blubber The fat found between the skin and muscle of whales and other cetaceans, from which oil is made.
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For example, you can induce a chick embryo to have eyes that are very close together and instead of two nostrils in the beak, you actually have a single middle one.
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Then the virus is sprayed up the nostrils of the patients. The virus attaches to cells inside the nose and lungs and reproduces by inserting part of itself into them. As it inserts its DNA into these cells, it also inserts the corrected gene.
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pronounced with the soft palate extended downward so as to cause the air to leave through the nostrils instead of through the mouth).
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The temporalis and masseter muscles, derived from the external adductor, close the mammalian jaw. Mammals have a secondary palate, a bony structure separating their nostril passages and throat, so most can swallow and breathe simultaneously.
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