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In military strategy, a choke point (or chokepoint), or sometimes bottleneck, is a geographical feature on land such as a valley, defile or bridge, or maritime passage through a critical waterway such as a strait, which an armed force is forced to pass through in order to reach its objective, sometimes on a substantially narrowed front and ...
Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament. This terminology is not typically used for any of the wild species or subspecies of wild wolves, foxes, coyotes, dholes ...
Steps of the cell cycle. The restriction point occurs between the G 1 and S phases of interphase.. The restriction point (R), also known as the Start or G 1 /S checkpoint, is a cell cycle checkpoint in the G 1 phase of the animal cell cycle at which the cell becomes "committed" to the cell cycle, and after which extracellular signals are no longer required to stimulate proliferation. [1]
The difference in size and proportion between some breeds are as great as those between any wild genera, but all dogs are clearly members of the same species. [5] In 2010, a study of dog skull shape compared to extant carnivorans proposed that "The greatest shape distances between dog breeds clearly surpass the maximum divergence between ...
Border checkpoint, a place on the land border between two states where travellers and/or goods are inspected; Security checkpoint, erected and enforced within contiguous areas under military or paramilitary control; Random checkpoint, a police or military checkpoint that is moved to various locations
An immune checkpoint regulator is a modulator of the immune system, that allows initiation of a productive immune response and prevents the onset of autoimmunity. Examples of such a molecule are cytotoxic T-lymphocyte antigen 4 (CTLA-4 or CD152), which is an inhibitory receptor found on immune cells and programmed cell death 1 (CD279), which has an important role in down-regulating the immune ...
The dog and handler walk across a length of a new, unknown surface. The standard surface is a 3 metre long by 1 metre wide plastic roof sheet. It is set up between two fences so that the dog cannot avoid walking on the roof sheet, and so that it moves noisily when stepped on. [14] The dog's anxiety of walking on a new surface is measured. [3]
The DA2PPC vaccine protects against the debilitating and deadly disease canine distemper. This disease is a fatal viral illness that causes neurologic dysfunction, pneumonia, nonspecific systemic symptoms such as fever and fatigue, and weight loss, as well as upper respiratory symptoms and diarrhea, poor appetite, and vomiting. [4]