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Heart disease is the most common underlying cause of arterial thromboembolism. It leads to the formation of blood clots in the heart, which leave it with the bloodstream and obstruct larger blood vessels, in cats mainly the aorta at the outlet of the two external iliac arteries. Arterial thromboembolism occurs suddenly and is very painful.
Cats are carnivores. The kidney is a vital organ with a variety of tasks. It plays an important role in maintaining the water, electrolyte and acid-base balance, in the excretion of toxic metabolic degradation products such as urea and in the recovery of valuable substances such as glucose, amino acids, peptides and minerals initially filtered out of the blood during ultrafiltration in the ...
Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different. A thermoconforming organism, by contrast, simply adopts the surrounding temperature as its own body temperature, thus avoiding the need for internal thermoregulation.
Penguin feathers are scale-like and serve both for insulation and streamlining. Endotherms that live in very cold circumstances or conditions predisposing to heat loss, such as polar waters, tend to have specialised structures of blood vessels in their extremities that act as heat exchangers. The veins are adjacent to the arteries full of warm ...
Feline hepatic lipidosis, also known as feline fatty liver syndrome, is one of the most common forms of liver disease of cats. [1] The disease officially has no known cause, though obesity is known to increase the risk. [2] The disease begins when the cat stops eating from a loss of appetite, forcing the liver to convert body fat into usable ...
The rete mirabile utilizes countercurrent blood flow within the net (blood flowing in opposite directions) to act as a countercurrent exchanger. It exchanges heat, ions, or gases between vessel walls so that the two bloodstreams within the rete maintain a gradient with respect to temperature, or concentration of gases or solutes.
Viral respiratory diseases in cats can be serious, especially in catteries and kennels. Causing one-half of the respiratory diseases in cats, [3] FVR is the most important of these diseases and is found worldwide. The other important cause of feline respiratory disease is feline calicivirus.
In temperate environments the blood flow to the skin is much higher than required for metabolism, the determining factor is the need for the body to get rid of its heat. In fact, skin can survive for long periods of time (hours) with sub-physiological blood flow and oxygenation, and, as long as this is followed by a period of good perfusion ...