Keratin implantation cyst
Encyclopedia
Keratin implantation cysts are cyst
s lined by an epidermal sac and filled with a form of keratin
. They are a primarily cutaneous condition, but they are occasionally observed under the nail (anatomy)
, of a finger or toe.
Cyst
A cyst is a closed sac, having a distinct membrane and division on the nearby tissue. It may contain air, fluids, or semi-solid material. A collection of pus is called an abscess, not a cyst. Once formed, a cyst could go away on its own or may have to be removed through surgery.- Locations :* Acne...
s lined by an epidermal sac and filled with a form of keratin
Keratin
Keratin refers to a family of fibrous structural proteins. Keratin is the key of structural material making up the outer layer of human skin. It is also the key structural component of hair and nails...
. They are a primarily cutaneous condition, but they are occasionally observed under the nail (anatomy)
Nail (anatomy)
A nail is a horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans, most non-human primates, and a few other mammals. Nails are similar to claws, which are found on numerous other animals....
, of a finger or toe.