Skip to main content

arachnoid

/uh-rak-noid/US // əˈræk nɔɪd //UK // (əˈræknɔɪd) //

蛛网膜,蛛丝膜,蛛丝马迹,蛛网膜炎

Definitions

adj.形容词 adjective
  1. 1
    • : resembling a spider's web.
    • : of or belonging to the arachnids.
    • : Anatomy. of or relating to the arachnoid membrane.
    • : Botany. formed of or covered with long, delicate hairs or fibers.
n.名词 noun
  1. 1
    • : an arachnid.
    • : Anatomy. the serous membrane forming the middle of the three coverings of the brain and spinal cord.

Examples

  • The researchers tracked antigens and other substances crossing the arachnoid barrier, an obstacle that’s known for its impermeability but which, they found, leaks in this particular area.

  • He coped for two decades with headaches caused by an arachnoid cyst in his brain.

  • The arachnoid has also shown slight congestion, and in other cases the membranes showed a slight thickening.

  • The lymph was purely basal, solely on the arachnoid, not in the fissures or sulci.

  • In quite young specimens the collector will notice two well defined arachnoid veils, the lower one being much more dense.

  • From its resemblance to a spider's web such a veil is said to be arachnoid.

  • Let them form arachnoid associations, spinsters and spiders would be a good motto.