Biology Dictionary

  • Porometer

    Porometer

    An instrument used to measure the rate of gas exchange, typically in relation to plant leaves and their stomatal openings.

  • Positional cloning

    Positional cloning

    A method used to identify the location of a gene on a chromosome based on its physical position relative to…

  • Positive interference

    Positive interference

    In genetics, a phenomenon in which one crossover event in meiosis reduces the likelihood of another crossover occurring nearby.

  • Postcranial

    Postcranial

    Referring to all parts of the body that are located behind or below the head, such as the torso and…

  • Posterior

    Posterior

    Referring to the back or rear part of an organism, opposite of anterior.

  • Postoperative

    Postoperative

    Referring to the period following a surgical operation.

  • Postpartum

    Postpartum

    Referring to the period after childbirth, often used in the context of recovery or care following delivery.

  • T cell (or T lymphocyte)

    T cell (or T lymphocyte)

    A type of white blood cell involved in the immune response, particularly in recognizing and responding to foreign pathogens or…

  • T.i.d. (Latin ter in die)

    T.i.d. (Latin ter in die)

    A medical abbreviation meaning ‘three times a day,’ often used for prescribing medications.

  • T.i.w.

    T.i.w.

    A medical abbreviation meaning ‘three times a week,’ often used for prescribing medications.