Biology Dictionary

  • Homozygote

    Homozygote

    An individual with two identical alleles for a specific gene.

  • Homozygous

    Homozygous

    Having two identical alleles for a particular gene.

  • Honey guide

    Honey guide

    A bird that leads humans or animals to bee hives, benefiting from the leftover wax and larvae.

  • Hormone

    Hormone

    A chemical messenger produced in one part of the body that affects cells in another part.

  • Host

    Host

    An organism that supports a parasite, mutualist, or pathogen, providing it with nutrients or shelter.

  • Host, definitive (also final host or primary host)

    Host, definitive (also final host or primary host)

    The host in which a parasite reaches maturity and reproduces sexually.

  • Hplc

    Hplc

    High-performance liquid chromatography; an analytical technique used to separate, identify, and quantify components in a mixture.

  • Holocrine gland

    Holocrine gland

    A type of gland that releases its secretion by the rupture and destruction of its cells, as seen in sebaceous glands.

  • Holometabola

    Holometabola

    A group of insects that undergo complete metamorphosis, with distinct larval, pupal, and adult stages.

  • Holometabolous

    Holometabolous

    Referring to insects that undergo complete metamorphosis, including distinct stages of egg, larva, pupa, and adult.