Snarl
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2008-05-19T17:51:18Z
Xxovercastxx
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{{For|the character from the fictional [[Transformers Universe]]|Snarl (Transformers)}}{{For|the notification system for Windows OS|Snarl (software)}}
[[Image:Snarl2006.JPG|right|frame|A man snarling]]
[[Image:Hieronymus Bosch 056.jpg|thumb|right|The figure on the far right is snarling]]
A '''snarl''' is a [[facial expression]], where the upper lip is raised, and the nostrils widen, generally indicating [[hate]], [[anger]] or [[pain]]. In addition to [[human]]s, other [[mammal]]s including [[monkey]]s and [[dog]]s snarl, often to warn others of their potential bite. In humans, snarling uses the [[levator labii superioris alaeque nasi muscle]]. Snarling is often accompanied by or used synonymously with threatening [[vocalization]]s (it may also be used as an [[onomatopoeia]] for a threatening noise, as in the 'snarl' of a chainsaw).
The atrophy of this muscle with age makes sometime a symmetrical or asymmetrical Alar vertical retraction and accentuates the "tear trough. Then the nose looks always bigger when we age.
{{psych-stub}}
[[Category:Facial expressions]]
[[it:Brontolìo]]