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Nostril

Definition

noun, plural: nostrils

The external opening of the nose, which serves as a passageway for air and other gases and for secretions from the nose.


Supplement

In most animals, the nostrils are in pairs. In sperm whales, porpoises and other related animals, there is only one nostril and it is located on top of their head (where it is called spiracle). In birds, the nostrils can be found on the beak. Fish do not breathe air through their noses. However, they have two small orifices for smelling, hence, may be referred to as nostrils. Humans have two external and two internal nostrils inside the head.


Word origin: Middle English nostrille, from Old English nosthyrl : nosu, nose.

Synonym:


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Results from our forum


Re: Why do Africans have large noses and lips?

... a short experiment with some Afro Caribbean friends, the first test was for 3 participants to pinch their noses slightly to create slightly narrow nostrils, the other 3 participants were the control and did not have to do anything. The IV was pinching nostrils, the DV was the type of sound that ...

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by shannat
Mon Jul 28, 2014 12:52 am
 
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 31
Views: 213306

Re: Why do Africans have large noses and lips?

... on my father's side so I got curious. First, Africans/blacks do not have "large" noses but rather "broad" noses with extra nostril skin. The same may apply to lip thickness. I went through a curious adolescence. For awhile there, my lip thickness increased then as the rest ...

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by Jobe
Thu May 17, 2012 1:39 pm
 
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 31
Views: 213306

The Fiber Disease

... earth as a cleanse. It would seem that menthol has a positive effect whether spread on lesions, or thoroughly coating the entire inside of each nostril before bed, or indeed when the rigors of breathlessness strike. Lemongrass oil is a stinging astringent, and is contr-indicated as causing phytotoxicity ...

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by Sabrina
Wed Jan 17, 2007 7:12 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5478912

The Fiber Disease

... earth as a cleanse. It would seem that menthol has a positive effect whether spread on lesions, or thoroughly coating the entire inside of each nostril before bed, or indeed when the rigours of breathlessness strike. Lemongrass oil is a stinging astringent, and is contr-indicated as causing ...

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by al
Wed Jan 17, 2007 11:33 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5478912

Evolution of birds

Here is some great news I just got hold of a new Idea of the evolution of beak.Or I say it bones and beaks.The nostril in a reptile is found in the lower region of the snout.The nostril in a reptile is seen in the upper part of the beak.And also here is a ratio that I took Measurement ...

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by David George
Thu Aug 24, 2006 3:51 pm
 
Forum: Evolution
Topic: Evolution of birds
Replies: 2
Views: 2535
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