(cluster of cells)
1Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth …
2Cluster algebra — Cluster algebras are a class of commutative rings introduced by Fomin and Zelevinsky (2002, 2003, 2007). A cluster algebra of rank n is an integral domain A, together with some subsets of size n called clusters whose union generates the… …
3Cluster — Clus ter, v. t. To collect into a cluster or clusters; to gather into a bunch or close body. [1913 Webster] Not less the bee would range her cells, . . . The foxglove cluster dappled bells. Tennyson. [1913 Webster] Or from the forest falls the… …
4Cluster of differentiation — The cluster of differentiation (cluster of designation) (often abbreviated as CD) is a protocol used for the identification and investigation of cell surface molecules present on white blood cells, providing targets for immunophenotyping of cells …
5Cluster analysis — The result of a cluster analysis shown as the coloring of the squares into three clusters. Cluster analysis or clustering is the task of assigning a set of objects into groups (called clusters) so that the objects in the same cluster are more… …
6Cluster — A cluster is a small group or bunch of something. Contents 1 In science 2 In astrophysics 3 In biology and health sciences 4 In computing …
7cluster of differentiation — Cell membrane molecules that are used to classify leukocytes into subsets. CD molecules are classified by monoclonal antibodies. There are four general types: type I transmembrane proteins have their COOH termini in the cytoplasm and their NH2… …
8cluster headache — noun a painful recurring headache associated with the release of histamine from cells • Syn: ↑histamine headache • Hypernyms: ↑headache, ↑head ache, ↑cephalalgia …
9cluster of differentiation 4 — noun a glycoprotein that is found primarily on the surface of helper T cells CD4 is a receptor for HIV in humans • Syn: ↑CD4 • Hypernyms: ↑glycoprotein …
10cluster of differentiation 8 — noun a membrane glycoprotein that is found primarily on the surface of cytotoxic T cells • Syn: ↑CD8 • Hypernyms: ↑glycoprotein …
