54 results found

Search Results for: lymphocyte

Lymphocyte

Definition noun, plural: lymphocytes The white blood cell of the blood derived from the stem cells of the lymphoid series of... Read More

B lymphocyte

Definition noun, plural: B lymphocytes A lymphocyte that is produced in the bone marrow and is responsible for the... Read More

Lymphopoiesis

Definition noun The hematopoiesis of lymphocytes Supplement Hematopoiesis is the process of forming new blood cellular... Read More

T-helper cell

Definition noun, plural: T-helper cells A type of T lymphocyte that assists by activating antigen-presenting leukocytes,... Read More

Plasma B cell

Definition noun, plural: plasma B cells A large B lymphocyte that when exposed to antigen, produce, and secrete large... Read More

Cytotoxic T cell

Definition noun, plural: cytotoxic T cells A T cell responsible for inducing death to target cells (e.g. infected somatic... Read More

Plasmablast

Definition noun, plural: plasmablasts An antibody-producing stem cell that could give rise to another of its kind or... Read More

Memory B cell

Definition noun, plural: memory B cells A small, long-lived B lymphocyte that was previously exposed to a particular... Read More

Pathobiology of allergy and its most severe form, anaphylaxis

When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More

Common lymphoid progenitor cell

Definition noun The progenitor cell in the lymphoid lineage capable of differentiating into lymphocyte and lymphoid... Read More

Mononuclear leukocyte

Definition noun, plural: mononuclear leukocytes A leukocyte characterized by having a nucleus with only one lobe, as opposed... Read More

Natural killer T cell

Definition noun, plural: natural killer T cells A T cell capable of destroying infected cells and infective particles upon... Read More

Leukocyte

Definition noun, plural: leukocytes Any of the nucleated blood cells that lack hemoglobin, and whose main function involves... Read More

Alloimmunity

Definition noun, plural: alloimmunities (immunology) A type of immunity that produces an immune response that is attacking... Read More

Autoimmunity

Definition noun, plural: autoimmunities A type of immunity wherein the immune response is directed against own body,... Read More

Passive and Active Types of Immunity

The previous tutorial investigated the role of white blood cells in phagocytosis. White blood cells are also responsible... Read More

White blood cell

Definition noun, plural: white blood cells Any of the nucleated blood cells that lack hemoglobin, with a primary role in the... Read More

Exudate cell

Definition noun, plural: exudate cells Any of the cells participating in the forming of exudate during inflammation or a... Read More

Natural active immunity

Definition noun An active immunity acquired by experiencing and having recovered from a disease. Supplement Active immunity... Read More

Vascular permeability

Definition noun The ability of blood vessel wall to allow small molecules (such as ions, water and nutrients) and whole... Read More

Reticular fiber

Definition noun, plural: reticular fibers A type of connective tissue fiber that is made up of type III collagen secreted by... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Naturally acquired active immunity

Definition noun An active immunity acquired by experiencing and having recovered from a disease. Supplement Active immunity... Read More

Phagosome

Definition noun plural: phagosomes phag·o·some, ˈfæg əˌsoʊm (cell biology) A vesicle that forms by pinching off... Read More

Reticular connective tissue

Definition noun A type of connective tissue characterized by the predominance of reticular fibers made of type III collagen... Read More

Metamyelocyte

Definition noun, plural: metamyelocytes A cell derived from myelocyte and develops into a band cell during... Read More

Mitogen

Definition noun, plural: mitogens Any substance that triggers mitosis, as well as lymphocyte... Read More

Memory T cell

Definition noun, plural: memory T cells A long-lived T cell that bears receptors for an antigen during its encounter with a... Read More

Endogenous pyrogen

Definition noun, plural: endogenous pyrogens A type of pyrogen produced by activated immune cells, and incite the rise in... Read More

PHA

Definition noun Abbreviation for phytohemagglutinin, a hemagglutinin derived from plants, especially... Read More

Function

Definition noun, plural: functions (biology) The special, normal, proper physiologic activity of a body part or an... Read More

Capillary permeability

Definition noun The property or capability of capillary walls to allow the selective flow of substances and cells into and... Read More

In vivo

Definition adjective, adverb (Of a biological process) made to occur within the living organism Supplement The term in vivo... Read More

Lymph

Definition noun The clear, slightly alkaline, bodily fluid bathing body tissues containing mostly of white blood cells, and... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Glucocorticoid

Definition noun, plural: glucocorticoids Any of a group of corticosteroids involved in carbohydrate metabolism (e.g.... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Memory cell

Definition noun, plural: memory cells A long-lived immune cell that has the ability to recognize a foreign particle that it... Read More

Cell recognition

Definition noun (1) Mutual recognition between cells, usually by specific complementary interaction between their respective... Read More

Artificial active immunity

Definition noun An active immunity acquired by vaccination (i.e. the injection of vaccine containing active antigens to... Read More