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The rhinarium (Neo-Latin, "belonging to the nose"; pl.: rhinaria) [1] is the furless skin surface surrounding the external openings of the nostrils in many mammals.Commonly it is referred to as the tip of the snout, and breeders of cats and dogs sometimes use the term nose leather.
Redgrave and Lopham Fens is a 127 hectare biological Site of Special Scientific Interest between Thelnetham in Suffolk and Diss in Norfolk.England. [1] [2] It is a national nature reserve, [3] [4] a Ramsar internationally important wetland site, [5] [6] a Nature Conservation Review site, Grade I, [7] and part of the Waveney and Little Ouse Valley Fens Special Area of Conservation.
Strepsirrhini or Strepsirhini (/ ˌ s t r ɛ p s ə ˈ r aɪ n i / ⓘ; STREP-sə-RY-nee) is a suborder of primates that includes the lemuriform primates, which consist of the lemurs of Madagascar, galagos ("bushbabies") and pottos from Africa, and the lorises from India and southeast Asia.
The wet nose, or rhinarium, is a trait shared with other strepsirrhines and many other mammals, but not with haplorrhine primates. [51] Although it is claimed to enhance the sense of smell, [ 64 ] it is actually a touch-based sense organ that connects with a well-developed vomeronasal organ (VNO).
A snout is the protruding portion of an animal's face, consisting of its nose, mouth, and jaw. In many animals, the structure is called a muzzle , [ 1 ] rostrum , beak or proboscis . The wet furless surface around the nostrils of the nose of many mammals is called the rhinarium (colloquially this is the "cold wet snout" of some mammals).
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Aside from an external nose structure, some primates contain a vomeronasal organ to detect odorants of higher molecular weight. [23] Genomic analysis has asserted that vomeronasal organ receptors became impaired approximately 23 million years ago in primate evolution, before the advent separation of Old World monkeys and hominoids.
Unlike the slender lorises, however, the white stripe that separates the eye rings broadens both on the tip of the nose and on the forehead while also fading out on the forehead. [82] Like other strepsirrhine primates, the nose and lip are covered by a moist skin called the rhinarium ("wet nose"), which is a sense organ. [83]