Читать книгу Notes on Veterinary Anatomy онлайн

16 страница из 19

ssss1

In this section we shall endeavor to point out where the skeleton of the domesticated animals, other than the horse, differ from the typical skeleton of the latter in any important particular. The following descriptions are therefore in all cases comparisons, where comparison is possible, between the typical skeleton and the skeleton in question.

ssss1

(Cud Chewing Animal.)

In this class we take the ox as the animal which represents the best for our purpose, the family of ruminating or cud-chewing animals, as cattle, sheep and goats.

The Skull or Cranium.—In the skull of the ox an important feature is the development of the frontal or forehead bone, which extends from below the eyes to the back of the skull, forming the entire forehead and crest or top, in the middle of which is the forehead tuberosity or knob-like elevation, which is very large in hornless animals. Springing from the sides of the top are two processes, varying in size and shape, but corresponding to the shape of the horns, which they support.