A - Af

Ag - Al

Am - An

Ap - Ar

As - Aw

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B

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D

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I

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Appenzell Cattle Dog: Also known as the Appenzeller, the Appenzell Mountain Dog, and the Appenzeller Sennenhund. One of the four Swiss Sennenhunds, a muscular and hardy dog bred for herding.

Apple Head: A round-shaped or dome-like head as seen in the Chihuahua.

Apricot: Used to describe Afghans, Pugs, Mastiffs, and Poodles, this color is a dull, medium-saturated orange (like the fruit of the same name). Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Apron: Longer hair below the neck on the chest; also called the frill.

Arm: The anatomical region between the shoulder and the elbow. Sometimes called the upper arm.

Articulation: Where two or more bones meet.

Artificial Insemination: The introduction of semen into the female reproductive tract by artificial means.