Epidermis: Outer layer of the skin.
Estrus: Being in heat. A period of varying length where a female cat produces a watery secretion from the genital tract and is sexually receptive to male cats. If mated, she will ovulate.
Epidermis - The outermost layer of the skin. The epidermis contains no nerves or blood vessels, thus it is not capable of any sensation or bleeding.
The epidermis is composed of older cells that form a tough, almost impervious, protective outer barrier. As the outer cells erode, other cells mature and move up to replace them. The epidermis varies in thickness.
Dermis and Epidermis (1975) from the Pearsons of Wadena, MN, USA and
Bambi, Punkie, and Paloma (1978) found in Toronto, ON, Canada and raised by Shirley Smith.
A new programme was started separately in 1975 with the birth of two hairless female kittens named epidermis and dermis. Their parents were unremarkable barn cats in Minnesota that had no ties to the previous hairless cats.
Stardust ", where Epidermis became the founder of the breed's most elite lines.
A pustule is also a small, defined elevation of the outer layer of the skin (epidermis) that is filled with pus - a mixture of white blood cells, cellular debris, dead tissue, and serum, the clear watery fluid that separates from the blood.
This kitten, named Epidermis, was joined the next year by another hairless kitten named Dermis. Both were sold to Oregon breeder Kim Mueske, who used the kittens to develop the breed.
Those kittens, named Punkie, Paloma and Epidermis, were eventually crossed with Devon Rex, a breed with a fairly sparse, curled coat. Descendants of Prune were added to the mix. Today's Sphynx trace their ancestry back to these matings.
The Sphynx cats that we have today descend from a couple of domestic shorthair farm cats that produced a hairless kitten. The hairless kitten named "Epidermis" was put into a successful breeding program in Oregon.
Two hairless female kittens, Epidermis and Dermis, were born in 1975 and 1976 to barn cats in Minnesota, and they became an important part of the contemporary Sphynx breeding programs.
The author of the Wikipedia entry says that the current Sphynx breed in Europe and America is descended from 2 lines of mutations (a) Dermis and Epidermis (great names) - Pearsons of Wadena MN USA and (b) Bambi, Punkie and Paloma - 1975 Toronto.
These kittens, named Epidermis, Punkie, and Paloma, were bred to Devon Rex, another breed with very little body hair. The Sphynx breed traces its history to the offspring of these unions.
 See also: Recessive, Heat, CFA, Spontaneous mutation, Hairlessness
  
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