Biology Dictionary

  • Maternal inheritance

    Maternal inheritance

    Inheritance of genes that are passed from mother to offspring, typically associated with mitochondrial DNA or plastid DNA.

  • Matrix

    Matrix

    The extracellular environment in which cells are embedded, providing structural and biochemical support.

  • Matter

    Matter

    The substance of which physical objects are made, consisting of atoms and molecules.

  • Mauer jaw

    Mauer jaw

    A jaw that is robust and large, often seen in archaic human populations.

  • Maxilla

    Maxilla

    The upper jawbone in vertebrates, which holds the upper teeth and supports the face.

  • Maxillary

    Maxillary

    Relating to the maxilla or upper jaw.

  • Maxillary teeth

    Maxillary teeth

    Teeth located in the upper jaw of vertebrates, involved in biting and chewing food.

  • Maxilliped

    Maxilliped

    A modified limb found in some arthropods, used for feeding and located near the mouth.

  • Mb

    Mb

    Abbreviation for megabase, a unit of length in molecular biology equivalent to one million base pairs of DNA.

  • Mean

    Mean

    The average value of a set of data, calculated by summing the values and dividing by the number of values.