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The regulations that apply to animals in laboratories vary across species. In the U.S., under the Animal Welfare Act and the Guide for the Care and Use of Laboratory Animals (the Guide), published by the National Academy of Sciences, any procedure can be performed on an animal if it can be successfully argued that it is scientifically justified.
Two weeks later, on June 18, a second butchered cow was found on the Lowell Darcy farm, twenty miles away from the first butchered cow; Like the first, its right ear was removed. [15] Local press initially speculated about a 'Mad Dog' or 'phantom' Butcher. [15] [16] On August 9, a third butchered cow was found, this one in South County. [17]
One of Pavlov’s dogs with a saliva-catch container and tube surgically implanted in its muzzle, Pavlov Museum, 2005. The history of animal testing goes back to the writings of the Ancient Greeks in the 4th and 3rd centuries BCE, with Aristotle (384–322 BCE) and Erasistratus (304–258 BCE) one of the first documented to perform experiments on nonhuman animals. [1]
The massive ventricle can lead to a heart weighing over 1000 grams (the weight of a normal heart is about 350 grams), referred to as cor bovinum (Latin for cow's heart). [1] Fluri and Gebbers [2] define cor bovinum as a heart exceeding 500 g in weight. Looking through autopsies on Internal Medicine patients at the Kantonsspital Luzern, they ...
Pithing / ˈ p ɪ θ ɪ ŋ / is a technique used to immobilize or kill an animal by inserting a needle or metal rod into its brain.. It is regarded [by whom?] as a humane means of immobilizing small animals being observed in experiments, and while once common in commercial slaughtering is no longer practiced in some developed countries on animals intended for the human food supply due to the ...
A key principle in the dissection of human cadavers (sometimes called androtomy) is the prevention of human disease to the dissector.Prevention of transmission includes the wearing of protective gear, ensuring the environment is clean, dissection technique [2] and pre-dissection tests to specimens for the presence of HIV and hepatitis viruses. [3]
The Langendorff heart or isolated perfused heart assay is an ex vivo technique used in pharmacological and physiological research using animals and also humans. [1] Named after the German physiologist Oskar Langendorff , this technique allows the examination of cardiac contractile strength and heart rate without the complications of an intact ...
Bovine spongiform encephalopathy (BSE), commonly known as mad cow disease, is an incurable and invariably fatal neurodegenerative disease of cattle. [2] Symptoms include abnormal behavior, trouble walking, and weight loss. [1]