Plate (anatomy)
A plate in animal anatomy may refer to several things:
Pteraspidomorphs (Pteraspis shown) are prehistoric jawless fish characterized by their massive dermal head armour having large, median, ventral and dorsal plates or shields.
Flat bones (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 (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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.