Biology Dictionary

  • Dialysis

    Dialysis

    A medical procedure that removes waste products and excess fluid from the blood, often used in patients with kidney failure.

  • Diaphragm

    Diaphragm

    A dome-shaped muscle located below the lungs that aids in breathing by expanding and contracting the lungs.

  • Diastasis

    Diastasis

    The separation or gap between two body parts, commonly referring to the separation of abdominal muscles during pregnancy.

  • Diastereomers

    Diastereomers

    Stereoisomers that are not mirror images of each other and differ in the spatial arrangement of atoms or groups.

  • Diastole

    Diastole

    The phase of the heart cycle in which the heart muscle relaxes and the chambers fill with blood.

  • Derived trait

    Derived trait

    A characteristic that has evolved in a particular lineage, distinguishing it from other organisms in the same clade.

  • Dermad

    Dermad

    A medical term that refers to the skin, typically used in the context of dermatological conditions.

  • Dermal

    Dermal

    Relating to the skin or outer layer of an organism’s body.

  • Dermal tissue system (also epidermis)

    Dermal tissue system (also epidermis)

    The outermost layer of cells in plants or animals, responsible for protection, gas exchange, and sometimes absorption.

  • Dermatoglyphics

    Dermatoglyphics

    The study of skin patterns, particularly fingerprints, for identification and medical purposes.