| migraine without headache | A classic migraine episode in which the teichopsia is not followed by a headache. Synonym: migraine without headache. (05 Mar 2000) |
|---|---|
| without | Unless; except; introducing a clause. "You will never live to my age without you keep yourselves in breath with exercise, and in heart with joyfulness." (Sir P. Sidney) Now rarely used by good writers or speakers. Source: Websters Dictionary (01 Mar 1998) |
| subluxation without erosion | <radiology> Systemic lupus erythematosis, Jaccoud's (12 Dec 1998) |
| caffeine | <chemical> A xanthine derivative that elevates cAMP levels in cells by inhibiting phosphodiesterases. (18 Nov 1997) |
| caffeine and sodium benzoate | A mixture of equal parts of sodium benzoate and caffeine, used to meet the indication of caffeine. (05 Mar 2000) |
| caffeine and sodium salicylate | A mixture of sodium salicylate and caffeine used for the relief of headache and neuralgia. (05 Mar 2000) |
| caffeine citrate | Citrated caffeine, a mixture of equal parts of caffeine and citric acid. (05 Mar 2000) |
| caffeine hydrate | Monohydrate of caffeine, a central nervous system stimulant. (05 Mar 2000) |
| acrosomal cap | A collapsed membranous vesicle that covers the anterior part of the nucleus of the spermatozoon, derived from the acrosomal granule; the carbohydrate-rich substance of the cap is associated with hydrolytic enzymes that aid in sperm penetration of the zona pellucida of the ovum. Synonym: head cap. (05 Mar 2000) |
| apical cap | <radiology> Local pleural thickening at lung apex, ascribed incorrectly to TB, aetiology: non-specific fibrous scarring (most common), Pancoast tumour (12 Dec 1998) |
| bishop's cap | <botany> A plant of the genus Mitella; miterwort. Source: Websters Dictionary (01 Mar 1998) |
| cap | <abbreviation> Catabolite (gene) activator protein. 1. Any anatomical structure that resembles a cap or cover. 2. A protective covering for an incomplete tooth. 3. Colloquialism for restoration of the coronal part of a natural tooth by means of an artificial crown. 4. The nucleotide structure found at the 5' terminus of many eukaryotic messenger RNAs, consisting of a 7-methylguanosine connected, via its 5'-hydroxyl group, by a triphosphate group to the 5'-hydroxyl group of the first nucleoside encoded by the DNA; usually symbolised as m7G5'ppp5'N, where N is nucleoside number 1 in the transcribed mRNA and is often itself methylated; the cap is added posttranscriptionally. (05 Mar 2000) |
| cap binding protein | <molecular biology, protein> Protein (24 kD) with affinity for cap structure at 5' end of mRNA that probably assists, together with other initiation factors, in binding the mRNA to the 40S ribosomal subunit. Translation of mRNA in vitro is faster if it has a cap binding protein. (18 Nov 1997) |
| cap II RNA(nucleoside-2'-)methyltransferase | <enzyme> Converts cap i-terminated mRNA to cap II-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap II methylase (26 Jun 1999) |
| cap I RNA (nucleoside-2'-)methyltransferase | <enzyme> Converts cap 0-terminated mRNA to cap i-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap I methylase (26 Jun 1999) |