| amorphous | <cell biology> Having an irregular or undefined shape or structure. (05 Feb 1998) |
|---|---|
| amorphous fraction of adrenal cortex | Noncrystalline residue of an acetone extract of the adrenal cortex after crystalline steroids, e.g., corticosterone, deoxycorticosterone, etc., have been isolated. (05 Mar 2000) |
| amorphous insulin zinc suspension | Sterile suspension of insulin in buffered water for injection, modified by the addition of zinc chloride such that the solid phase of the suspension is amorphous; it contains 40 or 80 units per ml; the duration of action is equivalent to that of insulin injection. Synonym: amorphous insulin zinc suspension, semilente insulin. (05 Mar 2000) |
| amorphous phosphorus | Red phosphorus, an allotropic form of phosphorus formed by heating ordinary phosphorus, in the absence of oxygen, to 260캜; it occurs as an amorphous dark red mass or powder, nonpoisonous, and much less flammable than ordinary phosphorus; it may be reconverted to the latter by heating to 454.4캜 in nitrogen gas. (05 Mar 2000) |
| amorphozoa | <zoology> Animals without a mouth or regular internal organs, as the sponges. Origin: NL, fr. Gr. Shapeless; priv. + form + animal. Source: Websters Dictionary (01 Mar 1998) |
| amorphozoic | <zoology> Of or pertaining to the Amorphozoa. Source: Websters Dictionary (01 Mar 1998) |
| amorphus | A malformed foetus with rudimentary head, limbs, and heart. Origin: G. A-priv. + morphe, form, shape (05 Mar 2000) |
| amorphy | Shapelessness. Origin: Gr., cf. F. Amorphie. See Amorphous. Source: Websters Dictionary (01 Mar 1998) |
| Amoss' sign | <clinical sign> In painful flexion of the spine, it is necessary to support a sitting position by extending the arms behind the torso with the weight placed on the hands. (05 Mar 2000) |
| Amoss, Harold | <person> U. S. Physician, 1886-1956. See: Amoss' sign. (05 Mar 2000) |
| amotio placentae | <obstetrics> This is the premature separation of the placenta, i.e. Separation of the placenta from the site of implantation on the uterus before the delivery of the foetus. It is a life threatening condition for the foetus and occurs about 1 in 500 to 750 deliveries. (09 Oct 1997) |
| amotus | <zoology> Elevated, as a toe, when raised so high that the tip does not touch the ground. Origin: L, withdrawn (from itplace). Source: Websters Dictionary (01 Mar 1998) |
| amount | 1. To go up; to ascend. "So up he rose, and thence amounted straight." (Spenser) 2. To rise or reach by an accumulation of particular sums or quantities; to come (to) in the aggregate or whole; with to or unto. 3. To rise, reach, or extend in effect, substance, or influence; to be equivalent; to come practically (to); as, the testimony amounts to very little. Origin: OF. Amonter to increase, advance, ascend, fr. Amont (equiv. To L. Ad montem to the mountain) upward, F. Amont up the river. See Mount. Source: Websters Dictionary (01 Mar 1998) |
| amoxapine | <drug> This prescription drug is used to treat depression (it is a tricyclic antidepressant of the dibenzoxazepine class.) It may cause tardive dyskinesia in some people, and it causes a wide range of side effects. Patients may suffer withdrawal symptoms if they stop taking this drug abruptly. (09 Oct 1997) |
| amoxicillin | <chemical> (2s-(2 alpha,5 alpha,6 beta(s*)))-6-((amino(4-hydroxyphenyl)acetyl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid. A broad-spectrum semisynthetic antibiotic similar to ampicillin except that its resistance to gastric acid permits higher serum levels with oral administration. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((amino(4-hydroxyphenyl)acetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta(S*)))- (12 Dec 1998) |