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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 ...
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Purkinje images are reflections of objects from the structure of the eye. They are also known as Purkinje reflexes and as Purkinje–Sanson images. At least four Purkinje images are usually visible in the normal eye. The first Purkinje image (P1) is the reflection from the outer surface of the cornea. The second Purkinje image (P2) is the ...
Colour selections to illustrate the drawing seem ok to me. This is a .svg file so resolution is ok; This diagram perfectly illustrate the encyclopedic article associated with it. It has a free license; Although this image is not the leading image in the article, but it adds significant value to the article by providing a list of elements in the ...
Anatomical terminology. [ edit on Wikidata] In mammalian oral anatomy, the canine teeth, also called cuspids, dogteeth, eye teeth, vampire teeth, or fangs, are the relatively long, pointed teeth. In the context of the upper jaw, they are also known as fangs. They can appear more flattened, however, causing them to resemble incisors and leading ...
Canine sperm can live for 10 to 11 days [22] in the oviducts (fallopian tubes) so if a female is bred 10 days before the oocytes (eggs) can be fertilized, she will appear to have a gestation length of 70 days. If she is bred on the day the oocytes can be fertilized, her gestation length will appear to be 60 days long.
Dogs prefer to defecate with their spines aligned in a north-south position in calm magnetic field conditions. [33] Dogs' vision is dichromatic; the dog's visual world consists of yellows, blues, and grays. They have difficulty differentiating between red and green. The divergence of the eye axis of dogs ranges from 12–25°, depending on the ...
And while only a lucky few have perfect vision, many more of us have to resort to contact lenses and glasses, with the severely impaired resorting to surgeries, canes, and seeing eye dogs.