32 results found

Search Results for: macrophage

Macrophage

Definition noun, plural: macrophages A leukocyte whose main function is to eliminate cellular debris and foreign particles... Read More

Wandering macrophage

wandering macrophage (Science: haematology) A macrophage that leaves the blood and migrates to infected... Read More

Permanent Tattoo Means Permanent Immune Action Of Macrophages

Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More

Monocyte

Definition noun, plural: monocytes A type of white blood cell capable of immune functions such as phagocytosis, and can... Read More

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... 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

Histiocyte

Definition noun, plural: histiocytes A reticular connective tissue macrophage or a dendritic cell, derived from the bone... Read More

Alveolar cell

Definition noun, plural: alveolar cells The cell lining the pulmonary alveolus; the cell of the air sac of the... Read More

Mononuclear phagocyte system

Definition noun A system of cells located in reticular connective tissue, and are associated primarily with phagocytosis and... Read More

Myeloblast

Definition noun, plural: myeloblasts A precursor cell that gives rise to a promyelocyte during... Read More

Opsonin

Definition noun, plural: opsonins Any substance (e.g. antibody) that binds to the surface of a particle (e.g. antigen) to... Read More

Kupffer cell

Definition noun, plural: Kupffer cells A specialized stellate macrophage cell that is located fixedly within the liver... Read More

Monoblast

Definition noun, plural: monoblasts A precursor cell that gives rise to a promonocyte Supplement Hematopoiesis is the... Read More

Migration

Definition noun, plural: migrations (1) Passing from one part to another, said of certain morbid processes or symptoms (2)... Read More

Phagocytosis

Definition noun The process of engulfing and ingestion of particles by the cell or a phagocyte (e.g. macrophage) to form a... Read More

Immunostimulator

Definition noun, plural: immunostimulators An agent capable of stimulating or increasing the activity of the immune... Read More

Exogenous pyrogen

Definition noun, plural: exogenous pyrogen A type of pyrogen that is of microbial origin, such as the lipopolysaccharide in... Read More

Alveolus

Definition noun, plural: alveoli (1) pulmonary alveolus; air sac (2) (general) A concave cavity or pit alveolar,... Read More

Pinocytosis

Pinocytosis Definition What is pinocytosis?  Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More

Autophosphorylation

Definition noun (biochemistry) The phosphorylation of the kinase through its own enzymatic... Read More

Phagocytic

Definition adjective Of or pertaining to the characteristics of a phagocyte, or to phagocytosis. Supplement Examples of... Read More

Phagocyte

Definition noun, plural: phagocytes Any of the cells specialized in engulfing and destroying foreign particles, as well as... 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

Langhans giant cell

Definition noun, plural: Langhans giant cells A type of giant cell formed by the fusion of epithelioid macrophages, and... Read More

Leukocyte

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

Synovial membrane

Definition noun, plural: synovial joints The connective tissue lining the inner surface of the joint capsule of a synovial... Read More

Synovial joint

Definition noun A movable joint comprised of a layer of fibrocartilage or hyaline cartilage that lines the opposing bony... Read More

Phage

Definition noun, plural: phages (1) A bacteriophage: a virus capable of infecting a bacterial cell, and may cause lysis to... Read More

Joint capsule

Definition noun, plural: joint capsules A sac-like fibrous tissue that envelopes a synovial joint Supplement Synovial joints... Read More

Interferon

Interferon (Science: cytokine) a family of glycoproteins derived from human cells which normally has a role in fighting... Read More

Biological Cell Defense

Organisms must find a means of defense against antigens such a viruses described on the previous tutorial. If this was not... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More