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A list of words, phrases and terms... all related to dogs.

There are 288 entries in the dog dictionary.
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Term Definition
Recessive Gene

An allele that does not express its characteristic because it is blocked by another allele of the same gene at a location on the chromosome. The trait is only expressed in a homozygous pairing with the same recessive gene producing a recessive trait. (See Allele)


A Hormone secreted by the placenta just prior to whelping and serves to relax the pelvis


(See Vitamin B2)

Right Atrium

The Right Atrium is the upper right chamber of the heart where blood is first returned from the body.

Right Ventricle

The right ventricle is the lower right chamber of the heart.It receives blood from the right atrium and when it contracts pushes the blood through the pulmonary valve, into the pulmonay artery and to the lungs for oxygenation.

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