Biology Dictionary

  • Auditory canal

    Auditory canal

    The tube-like passage that leads from the outer ear to the eardrum.

  • Aural

    Aural

    Relating to the ear or the sense of hearing.

  • Auricle

    Auricle

    The external, visible part of the ear; also, a term for an atrial appendage in the heart.

  • Auricula

    Auricula

    Another term for auricle, especially in anatomical contexts.

  • Auscultation

    Auscultation

    The act of listening to the internal sounds of the body, typically using a stethoscope.

  • Auscultatory

    Auscultatory

    Relating to or involving auscultation.

  • Australopithecines

    Australopithecines

    A group of extinct hominids closely related to humans, known from fossil records in Africa.

  • Autapomorphy

    Autapomorphy

    A distinctive feature, known as a derived trait, that is unique to a given taxon.

  • Autoic

    Autoic

    Describes plants that produce both male and female reproductive organs on the same individual.

  • Autochthonous

    Autochthonous

    Native or indigenous; originating where it is found.