Hair of the Dog (Canidae) FamilyKINGDOM: Animalia PHYLUM: Chordata CLASS: Mammalia ORDER: Carnivora FAMILY: Canidae Mammalian hair is composed of a protein, keratin. It is the same protein that makes horn, fingernails, claws, skin epithelium, and dander. Mammalian hair consists of three distinct morphological units, the cuticle, the cortex and the medulla. In addition to these units pigment bodies and other inclusions can help distinguish one hair type from another. A brief illustrated glossary of terms is presented below to aid in the interpretation of structure accompanying the individual photographs. These terms are largely taken from L. A. Hausman KINGDOM: Animalia PHYLUM: Chordata CLASS: Mammalia ORDER: Carnivora FAMILY: Canidae GENUS: Canis SPECIES: lupus 
KINGDOM: Animalia PHYLUM: Chordata CLASS: Mammalia ORDER: Carnivora FAMILY: Canidae GENUS: Canis SPECIES: lupus SUBSPECIES: familiaris Terrior (Canis lupus familiaris, Breed: Terrior) 
Dog Standard (Standard Slide Set) 
Poodle (Canis lupus familiaris, Breed: Poodle) 
KINGDOM: Animalia PHYLUM: Chordata CLASS: Mammalia ORDER: Carnivora FAMILY: Canidae SUBFAMILY: Caninae TRIBE: Vulpini GENUS: Vulpes SPECIES: vulpes 
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