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Lymphatic system Day 3/4
Terms in this set (38)
a damaging immune response by the body to a substance, especially pollen, fur, a particular food, or dust, to which it has become hypersensitive.
a tissue graft from a donor of the same species as the recipient but not genetically identical.
an extreme, often life-threatening allergic reaction to an antigen to which the body has become hypersensitive.
a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood.
a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.
This region of the antibody is called the Fab (fragment, antigen-binding) region. It is composed of one constant and one variable domain from each heavy and light chain of the antibody. The paratope is shaped at the amino terminal end of the antibody monomer by the variable domains from the heavy and light chains.
a cell that displays antigen complexed with major histocompatibility complexes (MHCs) on their surfaces; this process is known as antigen presentation. T cells may recognize these complexes using their T cell receptors (TCRs).
containing more than 100 amino acids, are often lytic enzymes, nutrient-binding proteins or contain sites that target specific microbial macromolecules. The smaller antimicrobial peptides act largely by disrupting the structure or function of microbial cell membranes
a tube-shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammals.
a graft of tissue from one point to another of the same individual's body.
A disease in which the body's immune system attacks healthy cells.
is an immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.
the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells
B cells/ B lymphocytes
B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype. ... It is mainly referred as humoral immunity cell In mammals, B cells mature in the bone marrow, which is at the core of most bones.
movement of a motile cell or organism, or part of one, in a direction corresponding to a gradient of increasing or decreasing concentration of a particular substance.
The theory that the mutation of stem cells produces all possible templates for antibody production and that exposure to a specific antigen selectively stimulates the proliferation of the cell with the appropriate template to form a clone or colony of specific antibody-forming cells.
an organism or cell, or group of organisms or cells, produced asexually from one ancestor or stock, to which they are genetically identical.
a thing that completes or brings to perfectio
the process of binding serum complement to the product formed by the union of an antibody and the antigen for which it is specific that occurs when complement is added to a mixture (in proper proportion) of such an antibody and antigen.
The portion of the amino acid sequence of an antibody's heavy or light chains that determines the class of the antibody and does not vary within a given class. The constant region terminates in a free carboxyl group (COOH).
the outer layer of the cerebrum (the cerebral cortex ), composed of folded gray matter and playing an important role in consciousness
the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
A cytotoxic T cell (also known as TC, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8+ T-cell or killer T cell) is a T lymphocyte (a type of white blood cell) that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.
a disease in which the body's ability to produce or respond to the hormone insulin is impaired, resulting in abnormal metabolism of carbohydrates and elevated levels of glucose in the blood and urine.
the passage of blood cells through the intact walls of the capillaries, typically accompanying inflammation.
a condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body.
efferent lymphatic vessels
Lymph vessels that carry lymph to a lymph node are called afferent lymph vessels, and those that carry it from a lymph node are called efferent lymph vessels, from where the lymph may travel to another lymph node, may be returned to a vein, or may travel to a larger lymph duct.
an abnormally high body temperature, usually accompanied by shivering, headache, and in severe instances, delirium.
a small secretory cavity, sac, or gland, in particular.
Germinal centers or germinal centres (GCs) are sites within secondary lymphoid organs - lymph nodes and the spleen where mature B cells proliferate, differentiate, and mutate their antibody genes (through somatic hypermutation aimed at achieving higher affinity), and switch the class of their antibodies
small molecule that, when combined with a larger carrier such as a protein, can elicit the production of antibodies that bind specifically to it (in the free or combined state).
helper T cells
a T cell that influences or controls the differentiation or activity of other cells of the immune system.
the scar on a seed marking the point of attachment to its seed vessel.
a compound that is released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
relating to the body fluids, especially with regard to immune responses involving antibodies in body fluids as distinct from cells (see cell-mediated)
the reaction of the cells and fluids of the body to the presence of a substance that is not recognized as a constituent of the body itself.
the bodily system that protects the body from foreign substances, cells, and tissues by producing the immune response and that includes especially the thymus, spleen, lymph nodes, special deposits of lymphoid tissue (as in the gastrointestinal tract and bone marrow), macrophages,
failure of the immune system to protect the body adequately from infection, due to the absence or insufficiency of some component process or substance.
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