Scale - in Biology

In Biology

• Fish scale, a rigid plate which grows out of the skin of most fish
• Reptile scale, a rigid plate that grows out of the skin of reptiles
• Scale (anatomy), a rigid plate which grows out of the skin of various animals
• Scale armour, protective garments similar to animal scales
• Scale insect, a waxy coated animal that resembles a fish scale
• Scale (dermatology), a secondary skin lesion in humans that resembles animal scales
• In botany, any flat epidermal outgrowth, a flat trichome
• Scale (Lepidopteran anatomy), a minute coloured flake which coats the wings of Lepidoptera, namely butterflies and moths