Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Occurring or situated within a cell or cells: intracellular fluid.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Inside or within a cell.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Within a cell. Contrasted with extracellular.

from The Century Dictionary and Cyclopedia

  • Existing or done inside of a cell: opposed to extracellular: as, intracellular circulation or digestion; intracellular formation of spores in certain fungi. Most of the vital activities or functions of the Protozoa are intracellular.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. located or occurring within a cell or cells

Etymologies

From intra- +‎ cellular (Wiktionary)

Examples

  • Action potentials almost always generate large increases in intracellular calcium to exert any biological effect such as the release of neurotransmitters to excite or inhibit the next neuron in the pathway.

    Roger Y. Tsien - Autobiography

  • Fluid inside your cells is called intracellular fluid and the fluid outside your cells is called extracellular fluid.

    The Most Complete Food Counter, 2nd Edition

  • Fully conscious of the insuperable difficulties of explaining at present the innermost mechanism by which this inertness was overcome, Warburg decided to investigate the nature of the mysterious substance that acts as the primus motor in intracellular combustion.

    Physiology or Medicine 1931 - Presentation Speech

  • Validation studies suggest the technology, called intracellular drug delivery (IDD) discovery platform, can successfully predict membrane penetration.

    in-PharmaTechnologist RSS

  • We currently have an opportunity for a cellular immunologist preferably with 4 to 6 years industrial/biotech experience and who is able to perform immunological assays (flow cytometry such as intracellular cytokine staining, assays,, ELISPOT, cytotoxicity assays, Th1/Th2 cytokine response assays, cell culture etc).

    Naturejobs - All Jobs

  • Soon, scientists hope to use the chips as intracellular sensors that can study cell activity, target drug delivery and detect diseases at much earlier stages.

    Silicon Chips Embedded in Human Cells Could Detect Diseases Earlier | Inhabitat

  • DNA and the intracellular machinery share engineering techniques employed by intelligent entities, therefore until demonstrated otherwise, they should be considered to be intelligently designed.

    Attached to Strings

  • It is advisable to use a direct-acting alpha-adrenergic agonist, such as norepinephrine, because their actions are not dependent upon the release of intracellular amines, the metabolism and availability of which are altered by MAO-I's.

    Monamine Oxidase Inhibitors

  • "Digital image processing of intracellular pH in gastric oxyntic and chief cells," Nature 325, 447 – 450 (1987).

    Roger Y. Tsien - Autobiography

  • The real problem was that inside cells, the free Mg2+ concentration is about four orders of magnitude higher than that of Ca2+, so that an intracellular Ca2+ indicator needs yet higher selectivity for Ca2+ over its sister ion Mg2+.

    Roger Y. Tsien - Autobiography

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