Canis familiaris

(kā′nĭs fă-mĭl″ē-ār′ĭs)

[L. canis familiaris, family dog]
The scientific name for the domestic dog. Dogs are often used as guides for people with sensory impairments and as companions for older or institutionalized people. Dog allergens, abbreviated Can by the World Health Organization, are a common source of indoor allergies.