thymus-dependent zone
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zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] … Medical dictionary
TDZ — thymus dependent zone … Medical dictionary
TDZ — • thymus dependent zone … Dictionary of medical acronyms & abbreviations
paracortex — The area of a lymph node between the subcapsular cortex and the medullary cords; it contains mostly the long lived lymphocytes derived from the thymus. SYN: deep cortex, tertiary cortex, thymus dependent zone. * * * para·cor·tex (par″ə … Medical dictionary
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
IMMUNITÉ ET SYSTÈME IMMUNITAIRE — Le système immunitaire assume l’une des grandes fonctions physiologiques des Vertébrés: l’aptitude à la reconnaissance d’un nombre prodigieux de structures moléculaires distinctes, les antigènes. Un antigène est classiquement réputé « étranger »… … Encyclopédie Universelle
hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… … Universalium
IMMUNOPATHIES — Le système immunitaire a pour fonction première la tâche d’éliminer de l’organisme les agents infectieux et parasitaires qui s’y introduisent et y déclenchent une maladie cliniquement manifeste. Cette définition s’est étendue au cours de ces… … Encyclopédie Universelle
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
Cytotoxic T cell — Antigen presentation stimulates T cells to become either cytotoxic CD8+ cells or helper CD4+ cells. A cytotoxic T cell (also known as TC, Cytotoxic T Lymphocyte, CTL, T Killer cell, cytolytic T cell, CD8+ T cells or killer T cell) belongs to a… … Wikipedia
