Biology Dictionary

  • Ungulate

    Ungulate

    Mammals that have hooves, such as horses, cattle, and deer.

  • Turgor pressure

    Turgor pressure

    The pressure exerted by the cell membrane against the cell wall in plant cells, caused by water entering the cell…

  • Turner syndrome

    Turner syndrome

    A genetic condition in females caused by a missing or incomplete X chromosome, leading to growth deficiencies, infertility, and various…

  • Turner’s syndrome

    Turner’s syndrome

    A chromosomal disorder in females, characterized by the absence of all or part of one X chromosome, leading to developmental…

  • Turnover number

    Turnover number

    The number of substrate molecules converted into product by an enzyme molecule in a given time period under optimal conditions.

  • Turpentine

    Turpentine

    A volatile oil derived from pine trees, often used as a solvent in painting or as a disinfectant.

  • Twins

    Twins

    Two offspring born at the same time from the same pregnancy, either from one fertilized egg (identical) or two (fraternal).

  • Tympanic membrane

    Tympanic membrane

    The thin, flexible membrane in the ear that vibrates when sound waves hit it, transmitting sound to the bones in…

  • Tympanites

    Tympanites

    Swelling or bloating of the abdomen due to the accumulation of gas in the gastrointestinal tract.

  • Tympanum

    Tympanum

    The eardrum in vertebrates; also refers to a membrane in some invertebrates that detects sound vibrations.