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Xeroderma, xerosis or xerosis cutis, or simply dry skin, is a skin condition characterized by excessively dry skin. [2] The term derives from Greek ξηρός (xeros) 'dry' and δέρμα (derma) 'skin'.
The epidermis, "epi" coming from the Greek language meaning "over" or "upon", is the outermost layer of the skin. It forms the waterproof, protective wrap over the body's surface, which also serves as a barrier to infection and is made up of stratified squamous epithelium with an underlying basal lamina.
The dermis is composed of three major types of cells: [3] fibroblasts, macrophages, and mast cells.. Apart from these cells, the dermis is also composed of matrix components such as collagen (which provides strength), elastin (which provides elasticity), and extrafibrillar matrix, an extracellular gel-like substance primarily composed of glycosaminoglycans (most notably hyaluronan ...
Pulchrana baramica, the Baram River frog, brown marsh frog, or masked rough-sided frog, [2] is a species of "true frog", family Ranidae.It is found in the Malay Peninsula, including the extreme south Thailand, Peninsular Malaysia, and Singapore, and in the Malay Archipelago, including Borneo (Brunei, Kalimantan, and East Malaysia), and the Indonesian islands Java, Sumatra, and Bangka Island.