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15 Topic Pages Found in Animals & Veterinary Medicine and starting with the letter D
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Open Deer
Deer

ruminant mammal of the family Cervidae, found in most parts of the world except Australia. Antlers, solid bony outgrowths of the skull, develop in the

Dendrocolaptidae

or woodhewer, common names for woodpeckerlike birds of tropical forest and brush, constituting about 50 species in the family Dendrocolaptidae.

Open Diabetes
Diabetes

Diabetes mellitus, often referred to simply as diabetes, is not a single disease but a group of metabolic disorders characterized by hyperglycemia

Diarrhea

This year, over one billion people around the world will suffer from diarrhea. The disease is particularly prevalent in the developing world, where a

Open diatom
diatom

( dì'ətŏm´´, –tōm´´ ), unicellular organism of the kingdom Protista , characterized by a silica shell of often intricate and beautiful sculpturing.

Dingo

A wild dog that was introduced to Australia thousands of years ago, considered responsible for the extinction of many large marsupials on the

Open dinosaur
dinosaur

Any extinct carnivorous or herbivorous reptile belonging to the predominantly terrestrial orders Saurischia or Ornithischia that existed during the

Open dogfish
dogfish

name for a number of small sharks of several different families. Best known are the spiny dogfishes (family Squalidae) and the smooth dogfishes

Open Dogs
Dogs

DOGS HAVE BEEN human companions at least since the Mesolithic era, some 20,000 years ago. Oddly, whenever they are successfully trained by humans to

Open dolphin
dolphin

Any of various highly intelligent aquatic mammals of the family Delphinidae, which also includes porpoises. There are about 60 species. Most inhabit