| Cephalomyia | Former name for Oestrus. Origin: cephalo-+ G. Myia, fly (05 Mar 2000) |
|---|---|
| cephalont | Adult stage of a cephaline gregarine, a sporozoan parasite commonly found in arthropods and other invertebrate hosts. The body is usually divided by a septum into an anterior epimerite and protomerite and a posterior deutomerite; acephaline gregarines lack a dividing septum. Origin: cephalo-+ G. On (ont-), being (05 Mar 2000) |
| cephalopagus | Conjoined twins with heads fused but the remainder of the bodies separate. See: conjoined twins. See: craniopagus, duplicitas posterior. Origin: cephalo-+ G. Pagos, something fixed (05 Mar 2000) |
| cephalopalpebral reflex | Contraction of the orbicularis muscle elicited by tapping the vertex of the skull. (05 Mar 2000) |
| cephalopathy | Synonym: encephalopathy. Origin: cephalo-+ G. Pathos, suffering (05 Mar 2000) |
| cephalopelvic | Pertaining to the size of the foetal head in relation to the maternal pelvis. (05 Mar 2000) |
| cephalopelvimetry | Roentgenographic measurement of the dimensions of the pelvis and the foetal head. Synonym: pelvicephalography, pelvocephalography. Origin: cephalo-+ pelvimetry (05 Mar 2000) |
| cephalopharyngeus | See: superior constrictor muscle of pharynx. (05 Mar 2000) |
| cephaloridine | <chemical> A cephalosporin antibiotic. Pharmacological action: cephalosporins. Chemical name: Pyridinium, 1-((2-carboxy-8-oxo-7-((2-thienylacetyl)amino)-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-, inner salt, (6R-trans)- (12 Dec 1998) |
| cephalorrhachidian | Relating to the head and the spine. Origin: cephalo-+ G. Rhachis, spine (05 Mar 2000) |
| cephalorrhachidian index | The figure obtained by multiplying the pressure of the cerebrospinal fluid, after fluid has been withdrawn by spinal puncture, by the quantity of fluid withdrawn and then dividing by the original pressure. Synonym: cephalorrhachidian index. (05 Mar 2000) |
| cephalosporanic acid | The basic chemical nucleus upon which cephalosporin antibiotic derivatives are based. (05 Mar 2000) |
| cephalosporanic acids | <chemical> A family of organic compounds that are composed of a dihydrothiazine ring and a beta-lactam ring. Pharmacological action: cephalosporins. (12 Dec 1998) |
| cephalosporin | <drug> A large class of antibiotics similar both chemically and in their mode of action to penicillin's. They are tetracyclic triterpene broad-spectrum antibiotics first isolated from the culture filtrates of mediterranean fungus acremonium (cephalosporium acremonium). They contain the beta-lactam moiety thia-azabicyclo-octenecarboxylic acid also called 7-aminocephalosporanic acid and are effective against gram-positive bacteria. Examples include: Keflex, Ceftin, Rocephin, Cefzil, Monocid, Keftab, Vantin, Ceclor, Duricef, Suprax and Cefobid. (25 Jun 1999) |
| cephalosporin 7-alpha-hydroxylase | <enzyme> A dioxygenase from streptomyces clavuligerus; requires 2-oxoglutarate, fe2+ and a reducing agent such as ascorbic acid Registry number: EC 1.14.11.- (26 Jun 1999) |