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This process continues into old age, where whether with a microscope or with the human eye, the thymus may be difficult to detect, [4] although typically weighs 5–15 grams. [3] Additionally, there is an increasing body of evidence showing that age-related thymic involution is found in most, if not all, vertebrate species with a thymus ...
Miller died in 1960, and the first edition of The Anatomy of the Dog was published posthumously in 1964, [1] with George C. Christensen and Howard E. Evans as co-authors. [2] Evans and Christensen also co-authored the second edition, published in 1979, retitled as Miller's Anatomy of the Dog. [3]
A thymoma is a tumor originating from the epithelial cells of the thymus that is considered a rare neoplasm. [1] Thymomas are frequently associated with neuromuscular disorders such as myasthenia gravis; [2] thymoma is found in 20% of patients with myasthenia gravis. [3] Once diagnosed, thymomas may be removed surgically.
Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]
This category contains articles about the physical structure and appearance of the domestic dog. For diseases and disorders of dog anatomy, see Category:Dog health . Pages in category "Dog anatomy"
Pilliner S, Elmhurst S and Davies Z (2009) The Horse in Motion: The Anatomy and Physiology of Equine Locomotion John Wiley & Sons. ISBN 9781405147484. Stonehenge (2011) The Comparative Anatomy of Man, the Horse, and the Dog - Containing Information on Skeletons, the Nervous System and Other Aspects of Anatomy Abhedananda Press. ISBN 9781446536407.
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