Parietal
Encyclopedia
Parietal may refer to:
  • Parietal placentation
  • Parietal lobe
    Parietal lobe
    The parietal lobe is a part of the Brain positioned above the occipital lobe and behind the frontal lobe.The parietal lobe integrates sensory information from different modalities, particularly determining spatial sense and navigation. For example, it comprises somatosensory cortex and the...

     of the brain
  • Parietal bone
    Parietal bone
    The parietal bones are bones in the human skull which, when joined together, form the sides and roof of the cranium. Each bone is roughly quadrilateral in form, and has two surfaces, four borders, and four angles. It is named from the Latin pariet-, wall....

     of the skull
  • Parietal scales of a snake lie in the general region of the parietal bone
  • Parietal cell
    Parietal cell
    Parietal cells, or oxyntic cells, are the stomach epithelium cells that secrete gastric acid and intrinsic factor.Acetylcholine and gastrin . The histamine receptors act by increasing intracellular cAMP, whereas the muscarinic and gastrin receptors increase intracellular Ca2+ levels...

     in the stomach
  • Parietal pleura
    Parietal pleura
    The portion of the pleura external to the pulmonary pleura lines the inner surface of the chest wall, covers the diaphragm, and is reflected over the structures occupying the middle of the thorax; this portion is termed the parietal pleura....

  • Parietal pericardium
  • Parietal wall, part of the margin of the aperture of a snail shell

  • Parietal eye
    Parietal eye
    A parietal eye, also known as a parietal organ or third-eye or pineal eye, is a part of the epithalamus present in some animal species...

    , "third eye" of some animal species
  • The term may also refer to an extension of bone, popularly known as a neck frill
    Neck frill
    Neck frill is the popular term for the relatively extensive margin seen on the back of the heads of reptiles with either a bony support such as those present on the skulls of dinosaurs of the suborder Marginocephalia or a cartilaginous one as in the Frill-necked Lizard...

    , on the skulls of dinosaur
    Dinosaur
    Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

    s of the suborder Marginocephalia
    Marginocephalia
    Marginocephalia is a clade of ornithischian dinosaurs that includes the thick-skulled pachycephalosaurids, and horned ceratopsians. They were all herbivores, walking on two or four legs, and are characterized by a bony ridge or frill the back of the skull...


  • Parietal art
    Parietal art
    Parietal art is artwork done on cave walls or large blocks of stone. One of the most famous examples of parietal art is the Grotte Chauvet in France. Parietal art, or cave art, refers to paintings, murals, drawings, etchings, carvings, and pecked artwork on the interior of rock shelters and caves....

    , artwork done on cave walls or large blocks of stone
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