Plate (anatomy)

From Wikipedia, the free encyclopedia
  (Redirected from Dermal plate)
Jump to navigation Jump to search
Pteraspidomorphs (Pteraspis shown) are prehistoric jawless fish characterized by their massive dermal head armour having large, median, ventral and dorsal plates or shields.

A plate in animal anatomy may refer to several things:

Flat bones (examples: bony plates, dermal plates) of vertebrates[edit]

Other flat structures[edit]

Other meanings in human anatomy[edit]

  • 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[edit]

  • 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[edit]