Biology Dictionary

  • Ldl

    Ldl

    Low-density lipoprotein, a type of cholesterol often referred to as ‘bad cholesterol’ due to its association with heart disease.

  • Le chatelier’s principle

    Le chatelier’s principle

    A principle stating that if a system at equilibrium is disturbed, the system will shift to counteract the disturbance.

  • Leader sequence or leader region

    Leader sequence or leader region

    A short sequence of nucleotides at the start of an mRNA transcript that is not translated into protein but assists in translation initiation.

  • Leading strand

    Leading strand

    The DNA strand that is synthesized continuously during DNA replication.

  • Leaf

    Leaf

    The flat, green organ of a plant that is involved in photosynthesis and transpiration.

  • Leaf buttress

    Leaf buttress

    A swollen or raised part of a plant’s stem that supports the base of a large leaf.

  • Leaf gap

    Leaf gap

    A region of parenchyma cells in the stem where the vascular tissue is interrupted by the departure of a leaf trace.

  • Leaf primordium

    Leaf primordium

    An immature leaf in the early stages of development, arising from the shoot apical meristem.

  • Langerhans cell

    Langerhans cell

    A dendritic cell in the skin that functions as an antigen-presenting cell in the immune system.

  • Langurs

    Langurs

    A group of long-tailed monkeys found in Asia, belonging to the family Cercopithecidae.