Download scientific diagram | Different geographic subspecies of wolves may have given rise to different dog-breed groups. This model shows one interpretation of the ancestry of modern dog breeds. Modern dog breeds are the result of at least 2,000 years of breeding under human control, and no breed is derived solely from one geographic origen. Ultimately, DNA studies may help assess the accuracy of models like this one. The images do not depict the true size relations between breeds…

Dog anatomy is not very difficult to understand if a labeled diagram is present to provide a graphic illustration of the same. That is exactly what you will find in this DogAppy article. It provides information about a dog's skeletal, reproductive, internal, and external anatomy, along with accompanying labeled diagrams.

The life expectancy of dogs differs depending on their breed, size and health. Of course, life expectancy is just an estimate and there are exceptions.

An illustration shows the parts of a dog's body.

On occasion, a dog's front leg continues to grow well after the other has stopped, resulting in one normal-sized leg and another irregularly-sized leg. This is commonly referred to as an antebrachial growth deformity. When this occurs the shorter leg's bone may twist and bow, or it overgrows at the elbow. In either case, the result is misalignment of the bones.

Answer (1 of 16): This phenomenon normally happens during mating. Unlike the human's, dogs' has bulbis glandis viz. like the shape of the small ball at the end of the penis and close to the balls. And during mating when the dog penetrates his penis into the vagina of a female dog, during that mom...

Label Dog External Anatomy Diagram Printout.

Dogs, cats, foxes, bears, raccoons, rodents, etc., are some of the many animals that have paws. This DogAppy write-up focuses on the anatomy of a dog's paw.