cortex

Definitions:

  • None
  • The outer layer of an internal organ or body structure, as of the kidney or adrenal gland.
  • The outer layer of gray matter that covers the surface of the cerebral hemisphere.
  • The region of tissue in a root or stem lying between the epidermis and the vascular tissue.
  • An external layer, such as bark or rind.
  • In <em>botany</em>: Bark, as of a tree. See <internalXref urlencoded="bark">bark</internalXref>.
  • In <em>Chara</em> and some algæ, a covering of tubular or other cells inclosing the axis; in lichens, the cortical layer (which see, under <internalXref urlencoded="cortical">cortical</internalXref>).
  • Specifically, in <em>medicine</em>, Peruvian bark.
  • In <em>anatomy</em> and <em>zoology</em>, some part or structure likened to bark or rind; cortical substance: as, the <em>coriex</em> of the brain.
  • The peridium of fungi.
  • None
  • Bark, as of a tree; hence, an outer covering.
  • Bark; rind; specifically, cinchona bark.
  • The outer or superficial part of an organ.
  • The outer layer of an internal organ or body structure, such as the <xref>kidney</xref> or the <xref>brain</xref>.
  • The <xref>tissue</xref> of a <xref>stem</xref> or <xref>root</xref> that lies inward from the <xref>epidermis</xref>, but exterior to the <xref>vascular</xref> tissue.
  • the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
  • the tissue forming the outer layer of an organ or structure in plant or animal
  • the tissue that surrounds the lens nucleus
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