thecal cell

  • 11echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …

    Universalium

  • 12LP (lumbar puncture) — Also known as a spinal tap, an LP is a procedure whereby spinal fluid is removed from the spinal canal for the purpose of diagnostic testing. It is particularly helpful in the diagnosis of inflammatory diseases of the central nervous system,… …

    Medical dictionary

  • 13Puncture, lumbar — A lumbar puncture or LP is a procedure whereby spinal fluid is removed from the spinal canal for the purpose of diagnostic testing. It is particularly helpful in the diagnosis of inflammatory diseases of the central nervous system, especially… …

    Medical dictionary

  • 14Spinal tap — Also known as a lumbar puncture or LP , a spinal tap is a procedure whereby spinal fluid is removed from the spinal canal for the purpose of diagnostic testing. It is particularly helpful in the diagnosis of inflammatory diseases of the central… …

    Medical dictionary

  • 15Tap, spinal — Also known as a lumbar puncture or LP , a spinal tap is a procedure whereby spinal fluid is removed from the spinal canal for the purpose of diagnostic testing. It is particularly helpful in the diagnosis of inflammatory diseases of the central… …

    Medical dictionary

  • 16theca — /ˈθikə/ (say theekuh) noun (plural thecae /ˈθisi/ (say theesee)) 1. a case or receptacle. 2. Botany a. a sac, cell, or capsule. b. a spore case. 3. Anatomy, Zoology a case or sheath enclosing an organ, etc., such as the case containi …