Plate (anatomy)

[Flat bone]s (examples: bony plates, dermal plates) of vertebrates

• an appendage of the Stegosauria group of dinosaurs
• articulated armoured plates covering the head of thorax of Placodermi, an extinct class of prehistoric fish
• bony shields of the Ostracoderms 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 in rodent anatomy

  Other flat structures

• hairy plate-like keratin scales of the pangolin
• Basal plate, 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 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, 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