Biology Dictionary

  • Troponin

    Troponin

    A regulatory protein complex involved in muscle contraction, which interacts with tropomyosin to allow or prevent the binding of myosin…

  • Trp

    Trp

    Abbreviation for tryptophan, an essential amino acid used in protein synthesis and precursor to serotonin and melatonin.

  • Trichocysts

    Trichocysts

    Organelles found in some protists, capable of releasing thread-like structures when triggered, often used for defense or predation.

  • Trichogyne

    Trichogyne

    A part of the female reproductive organ in some fungi, responsible for receiving and fertilizing the male gametes.

  • Trichome

    Trichome

    A hair-like outgrowth on the surface of plants, serving various functions such as protection, secretion, and absorption.

  • Tricuspid

    Tricuspid

    Referring to the tricuspid valve, the valve in the heart that separates the right atrium from the right ventricle.

  • Tricuspid valve

    Tricuspid valve

    A heart valve with three cusps located between the right atrium and right ventricle, controlling the flow of blood.

  • Triglyceride

    Triglyceride

    A type of fat found in the body, composed of three fatty acids bound to a glycerol molecule; a primary…

  • Trilodothyronine

    Trilodothyronine

    A thyroid hormone, abbreviated T3, involved in regulating metabolism, growth, and development in the body.

  • Trilobites

    Trilobites

    An extinct group of marine arthropods, characterized by their segmented bodies and a prominent trilobed structure.