Convict cichlid fish scales and skin, SEM

Numéro d’image : 12302134
Convict cichlid fish scales and skin, SEM
Coloured scanning electron micrograph (SEM) of a convict cichlid fish (Cichlasoma nigrofasciatum) skin cell on scale surface. 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 that has a primary function of protection from pathogens and parasites. Magnification: x5, 000 when shortest axis printed at 25 millimetres.
Licence : Droits gérés
Crédit: Science Photo Library / DENNIS KUNKEL MICROSCOPY
Taille de l’image : 3413 px × 2560 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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