U - Dog Dictionary Definitions

• Ulna

  The equivalent to the human bone that is found in the forearm on the opposite side of the thumb, it is the bone that is found in the...(continued)

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  Umbilical Hernia

  Umbilical Hernia is a condition that is present at birth where abdominal fat or internal organs protrude against the...(continued)

• Underage Dam

  A dam that is under the age of maturity before mating. It is recommended that bitches should not be bred until clearances are...(continued)

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  Underage Sire

  A sire that is under the age of maturity before mating. It is recommended that males should not used for breeding until...(continued)

• Undercoat

  The short hair or fur that is soft, dense and grows under the longer hair, or topcoat.

• Underline

  The combined contours of the abdominal floor and brisket.

• Undershot

  An incorrect bite where the lower jaw extends out past the upper jaw. It is the more commonly seen incorrect bite and is...(continued)

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  Unilateral Cryptorchid

  When one testicle on the dog fails to descend. Testicles should descend fully by the time the puppy is 2 months old....(continued)

• United Kennel Club (UKC)

  An official registry of purebred dogs that is located in the United States.

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  Unsound

  When an animal is either physically or mentally unhealthy and it is unable to perform the tasks it was bred to perform.

• Upper Arm

  The part of the foreleg that extends between the shoulder and forearm, the term encompasses the bone, also known as the humerus,...(continued)

• Urethral Prolapse

  Urethral Prolapse is caused when the tissue holding the urethra in place weakens and the urethra prolapses, or slips or...(continued)

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  Urethroliths

  The mineral deposits that occur in the urethra of male dogs, which can cause an obstruction.

• Uterus

  The muscular organ that can expand in proportion and is located in the pelvic cavity of female mammals. It is the organ, also known...(continued)

• Utility Dog (UD)

  The first title and suffix that is awarded to a dog that has won a specific scores at a number of AKC approved obedience...(continued)