secondary lymphoid organ

См. также в других словарях:

• Organ (anatomy) — For the musical instrument, see Organ (music). In biology, an organ (Latin: organum, instrument, tool , from Greek ὄργανον, organon, organ, instrument, tool [1]) is a collection of tissues joined in structural unit to serve a common function. [2] …   Wikipedia

• Mucosa-associated lymphoid tissue — MALT redirects here. For germinated cereal grains, see Malt. The mucosa associated lymphoid tissue (MALT) (also called mucosa associated lymphatic tissue) is the diffusion system of small concentrations of lymphoid tissue found in various sites… …   Wikipedia

• Sex organ — Flowers are the sex organs of flowering plants. A sex organ, or primary sexual characteristic, as narrowly defined, is any of the anatomical parts of the body which are involved in sexual reproduction and constitute the reproductive system in a… …   Wikipedia

• Leukopoiesis — is a form of hematopoiesis in which white blood cells (WBC, or leukocytes) are formed in bone marrow located in bones in adults and hematopoietic organs in the fetus. White blood cells, indeed all blood cells, are formed from the differentiation… …   Wikipedia

• Survivin — Survivin, also called Baculoviral IAP repeat containing 5 (BIRC5), is a human gene that is part of the inhibitor of apoptosis family (IAP). The survivin protein functions to inhibit caspase activation therefore leading to negative regulation of… …   Wikipedia

• lymph node — A small secondary lymphoid organ that contains lymphocytes, macrophages, and dendritic cells. It serves as a site for (1) filtration and removal of foreign antigens and (2) the activation and proliferation of lymphocytes …   Dictionary of microbiology

• spleen — (splĭn) A secondary lymphoid organ where old erythrocytes are destroyed and blood borne antigens are trapped and presented to lymphocytes …   Dictionary of microbiology

• lymphatic system — Anat., Zool. the system by which lymph is returned from the cells to the blood and by which white blood cells are produced in response to inflammation or presence of antigens; in mammals, the system includes the lymph glands, vessels and sinuses… …   Universalium

• Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

• human disease — Introduction       an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease       Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …   Universalium

• immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …   Universalium