Biology Dictionary

  • Pierolapithecus

    Pierolapithecus

    An extinct genus of great apes believed to be closely related to the common ancestor of humans and chimpanzees.

  • Pinna (also auricula)

    Pinna (also auricula)

    The external part of the ear in mammals, responsible for collecting and directing sound.

  • PIP2

    PIP2

    Phosphatidylinositol 4,5-bisphosphate, a lipid molecule involved in cell signaling processes.

  • Piroplasma

    Piroplasma

    A group of protozoan parasites that infect red blood cells in some animals, often transmitted by ticks.

  • Piscine

    Piscine

    Relating to fish.

  • Piscivorous

    Piscivorous

    Feeding primarily on fish.

  • Pistil

    Pistil

    The female reproductive organ of a flower, typically consisting of the ovary, style, and stigma.

  • Pithecanthropus

    Pithecanthropus

    An extinct genus of hominids, including species such as Homo erectus, regarded as an early ancestor of humans.

  • Pithecophobia

    Pithecophobia

    An irrational fear of apes or monkeys.

  • PK

    PK

    Abbreviation for pyruvate kinase, an enzyme involved in the final step of glycolysis.