| cytoplast | <cell biology> Fragment of cell with nucleus removed (in karyoplast), usually achieved by cytochalasin B treatment followed by mild centrifugation on a step gradient. (18 Nov 1997) |
|---|---|
| cytopoiesis | Formation of cells. Origin: cyto-+ G. Poiesis, a making (05 Mar 2000) |
| cytopreparation | Laboratory preparation of a cellular specimen for cytologic examination. (05 Mar 2000) |
| cytoproct | <cell biology> Cell anus: region at posterior of a ciliate where exhausted food vacuoles are expelled. (18 Nov 1997) |
| cytoprotection | The process by which chemical compounds provide protection to cells against harmful agents. (12 Dec 1998) |
| cytopyge | The anal orifice (cell "anus") found in certain structurally complex protozoa, such as the rumen-dwelling ciliates of herbivores, through which waste matter is ejected. Origin: cyto-+ G. Pyge, buttocks (05 Mar 2000) |
| cytoreductive therapy | Therapy with the intention of reducing the number of cells in a lesion, usually a malignancy. (05 Mar 2000) |
| cytoryctes | Cytorrhyctes Old term for inclusion bodies. Origin: cyto-+ G. Oryktes, a digger (05 Mar 2000) |
| cytosides | Ceramide disaccharides. See: glycosphingolipid. (05 Mar 2000) |
| cytosine | <biochemistry> Pyrimidine base found in DNA and RNA. Pairs with guanine. Glycosylated base is cytidine. (18 Nov 1997) |
| cytosine arabinoside | A synthetic nucleoside used as an antimetabolite in the treatment of neoplasms. Incorrect term for arabinosylcytosine. (05 Mar 2000) |
| cytosine ribonucleoside | <biochemistry> Nucleoside consisting of D ribose and the pyrimidine base cytosine. (18 Nov 1997) |
| cytosine-DNA glycosidase | <enzyme> Acts on uv-irradiated DNA at modified cytosine residues which are not pyrimidine dimers Registry number: EC 3.2.2.- Synonym: cytosine-DNA glycosylase (26 Jun 1999) |
| cytosine-UDP-glucuronosyltransferase | <enzyme> Catalyses the formation of cytosylglucuronic acid from udp-glucuronic acid and cytosine in the formation of blasticidin s; isolated from streptomyces griseochromogenes Registry number: EC 2.4.1.- Synonym: cytosylglucuronic acid synthase, cga synthase (26 Jun 1999) |
| cytosis | 1. A condition in which there is more than the usual number of cells, as the cytosis of spinal fluid in acute leptomeningitis. 2. Frequently used with a prefixed combining form as a means of describing certain features pertaining to cells; e.g., isocytosis, equality in size; polycytosis, abnormal increase in number. Origin: cyto-+ G. -osis, condition (05 Mar 2000) |