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Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine.The test result is called a polysomnogram, also abbreviated PSG.The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").
PSG is a member of the immunoglobulin (Ig) superfamily and contains four immunoglobulin domains. [7] [8]The complete isolation of certain glycoproteins, later classified as pregnancy-specific, within human blood serum occurred in the early 1980s, when experimental techniques like molecular cloning became common practice. [9]
The terms animal testing, animal experimentation, animal research, in vivo testing, and vivisection have similar denotations but different connotations.Literally, "vivisection" means "live sectioning" of an animal, and historically referred only to experiments that involved the dissection of live animals.
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]
Archaeologists have previously found evidence of people consuming horse milk in dental remains dating to around 5,500 years ago, and the earliest evidence of horse ridership dates to around 5,000 ...
The directive took effect on January 1, 2013. The directive permits the use of non-human primates if no other alternative methods are available. Testing on non-human primates is permitted for basic and applied research, quality and safety testing of drugs, food and other products and research aimed on the preservation of the species.
Polysulfated glycosaminoglycan (PSGAG), sold under the brand name Adequan, is an injectable drug for dogs and horses that is used to alleviate the limpness, pain, and lowered range of motion caused by arthritis. [2]
A California woman is facing charges after 27 dead horses were found across multiple properties outside of Sacramento, police say.. The discoveries were made in Clements as law enforcement carried ...