Goldfish skin, SEM

Goldfish skin, SEM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Coloured scanning electron micrograph (SEM) Goldfish skin (Carassius auratus auratus). Fish skin like many other vertebrates consists of two principal layers. superficial epidermis and deeper dermis. The epidermis consists of two or more layers. The deepest is a series of closely packed, discrete cells called the germinal layer, or stratum germinativum. The outer epidermal cells are formed from the germinal layer. Body fish slimes are produced by epidermal cells and their degradation. Epidermal cells can have highly convoluted surfaces that retain slime which has a primary function of protection from pathogens and parasites. Magnification: x950 when shortest axis printed at 25 millimetres.

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Keywords: 90300jwa, actinopterygii, auratus, carassius, cell, cells, chordata, colored, coloured, cyprinidae, cypriniformes, electron, epidermal, epidermis, epithelia, epithelial, epithelium, false-colored, false-coloured, fish, fresh, freshwater, germinal, goldfish, layer, micrograph, outer, pet, scanning, sem, skin, surface, vertebrate, vertebrates, water

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