Plate (anatomy)

• an appendage of the Stegosauria group of dinosaurs • articulated armoured plates covering the head of thorax of Placodermi (literally "plate-skinned"), an extinct class of prehistoric fish (including skull, thoracic and tooth plates) • bony shields of the Ostracoderms (armored jawless fishes) such as the dermal head armour of members of the class Pteraspidomorphi that include dorsal, ventral, rostral and pineal plates • plates of a carapace, such as the dermal plates of the shell of a turtle • dermal plates partly or completely covering the body of the fish in the order Gasterosteiformes that includes the sticklebacks and relatives • plates of dermal bones of the armadillo • Zygomatic plate, a bony plate derived from the flattened front part of the zygomatic arch (cheekbone) in rodent anatomy == Other flat structures ==

• hairy plate-like keratin scales of the pangolin • Basal plate (disambiguation), several anatomy-related meanings == Other meanings in human anatomy ==

• Alar plate, a neural structure in the embryonic nervous system • Cribriform plate, of the ethmoid bone (horizontal lamina) received into the ethmoidal notch of the frontal bone and roofs in the nasal cavities • Epiphyseal plate, a hyaline cartilage plate in the metaphysis at each end of a long bone • Lateral pterygoid plate of the sphenoid, a broad, thin and everted bone that forms the lateral part of a horseshoe like process that extends from the inferior aspect of the sphenoid bone • Nail plate, the hard and translucent portion of the nail • Perpendicular plate of the ethmoid bone (vertical plate), a thin, flattened lamina, polygonal in form, which descends from the under surface of the cribriform plate, and assists in forming the septum of the nose == Related structures ==

• Scute, a bony external plate or scale overlaid with horn, as on the shell of a turtle, the skin of crocodilians and the feet of birds • Sclerite, a plate forming the exoskeleton of invertebrates == See also ==