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Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, [ 1 ] as dogs are highly variable in height and weight.
Tapir (Tapirus terrestris) snout showing flehmen. 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.
Muzzles are sometimes used on trained and untrained dogs, large or small, to prevent unwanted biting, scavenging, or wound licking. They can also be used on dogs who display aggression, whether motivated by excitement, fear, or prey drive. Muzzles are also used on dogs when there is a risk of them taking baits that have been laid for vermin.
Muzzle (anatomy) or snout, the projecting parts of the face (including the nose and mouth) of an animal Muzzle (mouth guard), a device that covers an animal's snout; Muzzle (firearms), the mouth of a firearm; Muzzle (band), a band based in Seattle, Washington, U.S.
Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament.
The melanistic mask is caused by the M264V allele (known as E M) at the melanocortin 1 receptor (MC1R) locus, also known as the extension locus. [1] [2] It is completely dominant to the other alleles of the gene, and causes the melanocyte-stimulating hormone to bind to and activate melanocortin 1 receptors (located on melanocytes) in the mask's area, causing those melanocytes to produce ...