Siamese cat

Siamese cat

a medium-sized, svelte breed of domestic cats with blue eyes, and short hair with a distinctive pattern of pigmentation. Due to the presence of a color-limiting gene, the body is lightly pigmented while the face, ears, tail and legs are more intensely colored. The distribution corresponds to differences in skin temperature so that only in cooler areas is pigmentation fully developed. Several color varieties exist including seal-point (dark brown), blue, lilac, chocolate, red, tabby, cream and tortie. Siamese are also renowned for their loud, often demanding, manner of vocalizing. The breed is affected by mucopolysaccharidosis and sphingomyelinosis.

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Siamese cat disease

sometimes used to refer to nutritional secondary hyperparathyroidism because of the prevalence of that disease in this breed; breed predisposition, however, has not been proven.