The study of how living organisms function, including such processes as nutrition, movement, and reproduction.

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  • Phytochemical

    A plant compound that is thought to have health-protecting qualities. Also known as phytonutrient.

  • Phytodermatitis

    Inflammation of the skin caused by a plant. The basic clinical patterns of phytodermatitis are allergic phytodermatitis, photophytodermatitis, irritant contact dermatitis, pharmacologic injury, and mechanical injury.

  • Phytonutrient

    Carotenoids, Flavonoids (Polyphenols), including Isoflavones (Phytoestrogens), Inositol Phosphates (Phytates), Lignans (Phytoestrogens), Isothiocyanates and Indoles, Phenols and Cyclic Compounds, Saponins, Sulfides and Thiols, and Terpenes.

  • Phytotoxin

    A poison in a plant. Abrin and ricin are examples of phytotoxins. Abrin comes from the seeds of a plant called the rosary pea or jequirity pea and ricin from the seeds of the castor bean plant.

  • PI

    In medicine, not a private investigator but a principal investigator, the person who directs a research project or program.

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