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Encyclopedia > Vibrissae
This article is about vibrissae, often called whiskers. For other uses of the word whisker, see whisker.
A Patagonian fox has vibrissae on its nose and above its eyes.
A Patagonian fox has vibrissae on its nose and above its eyes.
A Common Raccoon's vibrissae.

Vibrissae (singular: vibrissa) are hairs, usually specialized for tactile sensation, that grow around the nostrils or other parts of the face in most mammals. In addition to the facial area, they can also be found on the wrists of the forelegs of cats. They are usually thicker and stiffer than other types of hair. The term is also used in reference to the stiff feathers near the mouths of some birds. There are several kinds of whisker: Look up whisker in Wiktionary, the free dictionary. ... Image File history File linksMetadata Download high-resolution version (1900x1425, 2578 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Vibrissae Culpeo Pseudalopex Portal:Biology Portal:Biology/Featured picture User talk:Exlibris User:Samsara/PortalBioColour User:Samsara/PortalBioBoxes... Image File history File linksMetadata Download high-resolution version (1900x1425, 2578 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Vibrissae Culpeo Pseudalopex Portal:Biology Portal:Biology/Featured picture User talk:Exlibris User:Samsara/PortalBioColour User:Samsara/PortalBioBoxes... Binomial name Pseudalopex culpaeus (Molina, 1782) The culpeo is a South American species of wild dog. ... Image File history File links Download high-resolution version (1280x1080, 647 KB) Beschreibung: Nordamerikanische Waschbär (Procyon lotor) / raccoon Fotograf: Darkone, 5. ... Image File history File links Download high-resolution version (1280x1080, 647 KB) Beschreibung: Nordamerikanische Waschbär (Procyon lotor) / raccoon Fotograf: Darkone, 5. ... Binomial name Procyon lotor (Linnaeus, 1758) Common Raccoon range (in red) The Common Raccoon (Procyon lotor), also known as the Northern Raccoon, Racoon, or Coon, is a widespread, medium-sized, omnivorous mammal of North America. ... Young Girl Fixing her Hair, by Sophie Gengembre Anderson Hair is a filamentous outgrowth of dead cells from the skin, found only in mammals. ... Orders Multituberculata (extinct) Palaeoryctoides (extinct) Triconodonta (extinct) Subclass Australosphenida Ausktribosphenida Monotremata Subclass Eutheria (excludes extinct ancestors) Afrosoricida Anagaloidea (extinct) Arctostylopida (extinct) Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Cingulata Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Dinocerata (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Leptictida (extinct) Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata... Look up CAT, cat, Cat in Wiktionary, the free dictionary. ... Orders Many - see section below. ...


Vibrissae consist of inert material and contain no nerves. What makes vibrissae different from other hairs is that they are implanted in a special follicle sealed by a capsule of blood, called a blood sinus. Touching a vibrissa causes it to bend and the blood in the sinus is pushed to one side or the other. The blood amplifies the movement and allows the nerves at the base to detect extremely small deflections. In some mammals, the follicles of vibrissae are surrounded by a highly developed sheath of muscle tissue which can be used to move the whiskers. Whiskers can grow extremely long; the whiskers of a chinchilla can be up to a third of its body length. Nerves (yellow) Nerves redirects here. ... In botany, a follicle is a type of simple dry fruit produced by certain flowering plants. ... The word capsule (from the Latin capsula, a small box), has many similar meanings in English: In botany, a capsule is a type of dry fruit as in the poppy, iris, foxglove, etc. ... Human blood smear: a - erythrocytes; b - neutrophil; c - eosinophil; d - lymphocyte. ... The term sinus (Latin for bay, pocket, curve or bosom) is used in various contexts. ... It has been suggested that this article or section be merged into Muscular system. ... This article or section does not cite its references or sources. ...


Vibrissae offer an advantage to animals that do not always have sight to rely on to navigate, or to find food, or when the usefulness of non-tactile senses is limited. Some animals, such as house mice, can detect air movements with their vibrissae. A large part of the brain of many mammals is devoted to processing the nerve impulses from vibrissae because it is important to their survival. Mammals use a great deal of energy to keep the follicles housing their whiskers warm and ready to use. Senses are the physiological methods of perception. ... Binomial name Mus musculus Linnaeus, 1758 Mus musculus is the common house mouse. ... In animals, the brain, or encephalon (Greek for in the head), is the control center of the central nervous system. ...


  Results from FactBites:
 
Vibrissae - Wikipedia, the free encyclopedia (341 words)
Vibrissae (singular: vibrissa) are hairs that grow around the nostrils or other parts of the face in many mammals, usually specialized for tactile sensation.
What makes vibrissae different from other hairs is that they are implanted in a special follicle sealed by a capsule of blood, called a blood sinus.
Vibrissae offer an advantage to animals that do not always have sight to rely on to navigate, or to find food, or when the usefulness of non-tactile senses is limited.
Vibrissae - definition of Vibrissae in Encyclopedia (319 words)
Vibrissae (singular is vibrissa) are hairs specialized for detection of movement, commonly called whiskers.
In general, vibrissae are hairs which grow around the nostrils or other parts of the face in many mammals, usually specialized for tactile sensation.
Vibrissae offer an advantage to animals that don't always have sight to rely on to navigate, or to find food, or when the usefulness of non-tactile senses is limited.
  More results at FactBites »

 
 

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