humoral

(adjective)

Of or relating to the body fluids or humors.

Related Terms

Examples of humoral in the following topics:

  • Active and Passive Humoral Immunity

    • The humoral immune response is the aspect of immunity mediated by secreted antibodies.
    • The humoral immune response (HIR) is the aspect of immunity mediated by secreted antibodies produced by B cells.
    • Humoral immunity is so named because it involves substances found in the humors, or body fluids.
    • There are two types of humoral immunity: active and passive.
    • Passive immunity is the transfer of active humoral immunity in the form of ready-made antibodies from one individual to another.

  • Types of Adaptive Immunity

    • There are two subdivisions of the adaptive immune system: cell-mediated immunity and humoral immunity.
    • Humoral immunity refers to the component of the adaptive immune response that is caused by B cells, antibodies, and type 2 helper T cells (Th2), as well as circulating mast cells and eosinophils to a lesser extent.
    • Its name comes from the idea that blood is one of the humors of the body, since antibodies provide passive or active immunity through circulation in the bloodstream.
    • Type 2 helper T cells are included in the humoral immune system because they present antigens to immature B-cells, which undergo proliferation to become specific to the presented antigen.
    • Antibodies provide a number of functions in humoral immunity.

  • Lymphoid Cells

    • T and B lymphocytes are the main forces of adaptive immunity, which includes cell-mediated and humoral immunity.
    • T cells are involved in cell-mediated immunity whereas B cells are primarily responsible for humoral immunity.
    • B cells are part of the humoral component of adaptive immunity.
    • List the types of lymphocytes in the vertebrate immune system and their roles in innate or humoral immunity

  • Tattoos

    • The first written reference to the word, "tattoo" (or Samoan "Tatau") appears in the journal of Joseph Banks, the naturalist aboard Captain Cook's ship, the HMS Endeavour: "I shall now mention the way they mark themselves indelibly, each of them is so marked by their humor or disposition".

  • Development of the Immune System

    • Although the number of total lymphocytes is significantly higher than in adults, the cellular and humoral immunity is also impaired.
    • Also, T cells of a newborn proliferate poorly and produce very small amounts of cytokines like IL-2, IL-4, IL-5, IL-12, and IFN-g which limits their capacity to activate the humoral response as well as the phagocitic activity of macrophage.

  • WBC Function

    • Humoral activities.

  • Graft Rejection and Tissue Typing

    • Rejection is an adaptive immune response via cellular immunity (mediated by killer T cells inducing apoptosis of target cells) as well as humoral immunity (mediated by activated B cells secreting antibody molecules), though the action is joined by components of innate immune response (phagocytes and soluble immune proteins).

  • Immunodeficiencies

    • Humoral immune deficiency (with signs or symptoms depending on the cause) generally includes signs of hypogammaglobulinemia (decrease of one or more types of antibodies) with presentations including repeated mild respiratory infections, and/or agammaglobulinemia (lack of all or most antibody production) resulting in frequent severe infections and is often fatal.

  • Maturation of B Cells

    • B cells are lymphocytes that play a large role in the humoral immune response (as opposed to the cell-mediated immune response, which is governed by T cells) .

  • Aging and the Immune System

    • A decline in humoral immunity caused by a reduction in the population of antibody producing B-cells along with a smaller immunoglobulin diversity and affinity.