Biology Dictionary

  • Vascular

    Vascular

    Relating to or composed of blood vessels or plant tissues involved in the transport of water, nutrients, and other substances.

  • Vascular bundle

    Vascular bundle

    A strand of vascular tissue found in plants, typically containing both xylem and phloem, responsible for transporting water, nutrients, and sugars.

  • Vascular cambium

    Vascular cambium

    A layer of actively dividing cells in vascular plants that is responsible for secondary growth, producing both xylem and phloem.

  • Vascular cylinder

    Vascular cylinder

    The central part of the root or stem in vascular plants, composed of xylem, phloem, and pericycle tissues, responsible for the transport of water, nutrients, and sugars.

  • Vascular plant

    Vascular plant

    A plant that has specialized tissue, such as xylem and phloem, to conduct water, nutrients, and sugars throughout the plant.

  • Vascular plants

    Vascular plants

    Plants that have a vascular system consisting of xylem and phloem for transporting water, nutrients, and sugars.

  • Vascular tissue

    Vascular tissue

    The tissue system in plants responsible for the transport of water, nutrients, and organic compounds, including xylem and phloem.

  • Vaccination

    Vaccination

    The act of administering a vaccine to protect an individual from a specific infectious disease.

  • Vaccine

    Vaccine

    A substance used to stimulate the production of antibodies and provide immunity against specific diseases.

  • Vagina

    Vagina

    The passage in female mammals that connects the external genitalia to the uterus and serves as the birth canal during childbirth.