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A pair of horns on a male impala. Anatomy of an animal's horn. A horn is a permanent pointed projection on the head of various animals that consists of a covering of keratin and other proteins surrounding a core of live bone. Horns are distinct from antlers, which are not permanent. In mammals, true horns are found mainly among the ruminant ...
Dog anatomy. Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, [1] as dogs are highly variable in height and weight. The smallest known adult dog was a Yorkshire Terrier that ...
In the dog these small bones are called tympanohyal (upper) and stylohyal (lower). In evolutionary terms, the temporal bone is derived from the fusion of many bones that are often separate in non-human mammals: The squamosal bone, which is homologous with the squama, and forms the side of the cranium in many bony fish and tetrapods.
Cattle are large artiodactyls, mammals with cloven hooves, meaning that they walk on two toes, the third and fourth digits. Like all bovid species, they can have horns, which are unbranched and are not shed annually. [5] Coloration varies with breed; common colors are black, white, and red/brown, and some breeds are spotted or have mixed colors ...
The nuchal ligament extends from the external occipital protuberance on the skull and median nuchal line to the spinous process of the seventh cervical vertebra in the lower part of the neck. [1] From the anterior border of the nuchal ligament, a fibrous lamina is given off. This is attached to the posterior tubercle of the atlas, and to the ...
Rump (animal) The rump or croup, in the external morphology of an animal, is the portion of the posterior dorsum – that is, posterior to the loins and anterior to the tail. Anatomically, the rump corresponds to the sacrum. The tailhead or dock is the beginning of the tail, where the tail joins the rump. It is known also as the base or root of ...
Sarah Ping, PA. October 14, 2024 at 9:46 PM. The birth of a rare calf said to be the smallest species of wild cattle was captured on video at Chester Zoo. A female anoa, named Kasimbar, was ...
The process of rechewing the cud to further break down plant matter and stimulate digestion is called rumination. [2][3] The word "ruminant" comes from the Latin ruminare, which means "to chew over again". The roughly 200 species of ruminants include both domestic and wild species. [4]