| methylol riboflavin | A mixture of methylol derivatives of riboflavin formed by the action of formaldehyde on riboflavin in weakly alkaline solution; it has the same action as riboflavin, but is preferred for parenteral administration. (05 Mar 2000) |
|---|---|
| methylose | A sugar in which the carbon atom farthest from the carbonyl group is a methyl (CH3). (05 Mar 2000) |
| methylotroph | Yeasts, like Hansenula polymorpha, that utilise methanol as an energy source. (18 Nov 1997) |
| methylparaben | Methylp-hydroxybenzoate;an antifungal preservative. Synonym: methyl hydroxybenzoate. (05 Mar 2000) |
| methylpentose | A hexose (a 6-deoxyhexose) in which carbon-6 is part of a methyl group; e.g., rhamnose, fucose. (05 Mar 2000) |
| methylphenazonium methosulfate | <chemical> 5-methylphenazinium methosulfate. Used as an electron carrier in place of the flavine enzyme of warburg in the hexosemonophosphate system and also in the preparation of succinic dehydrogenase. Chemical name: Phenazinium, 5-methyl-, methyl sulfate (12 Dec 1998) |
| methylphenidate | This central nervous system stimulant drug is used to attention-deficit hyperactivity disorder (ADHD) in children and adolescents. (09 Oct 1997) |
| methylphenidate hydrochloride | Methyl alpha-phenyl-2-piperidineacetate hydrochloride;a central nervous system stimulant used to produce mild cortical stimulation in various types of depressions; commonly used in the treatment of hyperkinetic or hyperactive (attention deficit disorder) children. (05 Mar 2000) |
| methylphosphotriester methyltransferase | <enzyme> Acts as DNA repair mechanism to remove methyl groups introduced into the DNA molecule by alkylating agents Registry number: EC 2.1.1.- Synonym: mpester methyltransferase, methylphosphotriester DNA methyltransferase, alkylphosphotriester DNA alkyl transferase (26 Jun 1999) |
| methylprednisolone | <chemical> (6 alpha,11 beta)-11,17,21-trihydroxy-6-methylpregna-1,4-diene-3,2-dione. A prednisolone derivative which has pharmacological actions similar to prednisolone. Pharmacological action: steroidal anti-inflammatory agents, antiemetics, glucocorticoids, synthetic, glucocorticoids, topical, neuroprotective agents. Chemical name: Pregna-1,4-diene-3,20-dione, 11,17,21-trihydroxy-6-methyl-, (6alpha,11beta)- (12 Dec 1998) |
| methylprednisolone acetate | 6-methylprednisolone 21 acetate;has the same actions and uses as methylprednisolone; aqueous suspensions are suitable for intrasynovial and soft tissue injection. (05 Mar 2000) |
| methylprednisolone hemisuccinate | <chemical> (6 alpha,11 beta)-21-(3-carboxy-1-oxopropoxy)-11,17-dihydroxy-6-methylpregna-1,4-diene-3,20-dione. A water-soluble ester of methylprednisolone used for cardiac, allergic, and hypoxic emergencies. Pharmacological action: steroidal anti-inflammatory agents, antineoplastic agent, hormonal, glucocorticoids, synthetic, glucocorticoids, topical, neuroprotective agents. Chemical name: Pregna-1,4-diene-3,20-dione, 21-(3-carboxy-1-oxopropoxy)-11,17-dihydroxy-6-methyl-, (6alpha,11beta)- (12 Dec 1998) |
| methylrosaniline chloride | Hexamethylpararosanilin chloride;a compound that has been used in the external treatment of burns, wounds, and fungal infections of skin and mucous membranes, and internally for pinworm and certain fluke infections; used also as a stain for chromatin, amyloid, platelets in blood, fibrin, and neuroglia, and to differentiate among bacteria. Synonym: methylrosaniline chloride. (05 Mar 2000) |
| methyltestosterone | <chemical> 17 beta-hydroxy-17-methylandrost-4-en-3-one. Pharmacological action: anabolic steroids, androgens, synthetic, antineoplastic agent, hormonal. Chemical name: Androst-4-en-3-one, 17-hydroxy-17-methyl-, (17beta)- (12 Dec 1998) |
| methylthioadenosine | Adenosine carrying an -SCH3 group in place of OH at position 5'; the -SCH3 group is transferred to alpha-aminobutyric acid to form l-methionine in some bacteria. Methylthioadenosine is formed from S-adenosyl-l-methionine in the course of spermidine synthesis by loss of the alanine moiety. Synonym: thiomethyladenosine. (05 Mar 2000) |