| packed red blood cell | <haematology> Red blood cells collected from one individual that are packed into a small volume for transfusion into a patient. (16 Dec 1997) |
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| packer | 1. An instrument for tamponing. Synonym: plugger. (05 Mar 2000) |
| packfong | <chemistry> A Chinese alloy of nickel, zinc, and copper, resembling German silver. Origin: Chin. Peh tung. Source: Websters Dictionary (01 Mar 1998) |
| packing | 1. Filling a natural cavity, a wound, or a mold with some material. 2. The material so used. 3. The application of a pack. (05 Mar 2000) |
| packing process | The method of placing denture base material in a flask for processing. (05 Mar 2000) |
| packwax | <anatomy> Same as Paxwax. Source: Websters Dictionary (01 Mar 1998) |
| paclitaxel | <drug> This alkaloid is an extract from the Pacific yew, Taxus brevifolia. It inhibits microtubule disassembly and is used as a chemotherapy agent to treat bladder, oesophageal and lung cancers and is being investigated as a treatment for leukaemia and lymphoma. (09 Oct 1997) |
| pacos | 1. <zoology> Same as Alpaca. 2. [Peruv. Paco, pacu, red, reddish, reddish ore containing silver; perh. A different word. <chemical> An earthy-looking ore, consisting of brown oxide of iron with minute particles of native silver. Origin: Sp. Paco, fr. Peruv. Paco. Cf. Alpaca. Source: Websters Dictionary (01 Mar 1998) |
| PACS | Acronym for picture archive and communication system, a computer network for digitised radiologic images and reports. (05 Mar 2000) |
| pactamycin | <drug> Antibiotic that inhibits translation by blocking the binding of initiator tRNA to the initiator complex. (18 Nov 1997) |
| pacu | <zoology> A South American freah-water fish (Myleies pacu), of the family Characinidae. It is highly esteemed as food. Source: Websters Dictionary (01 Mar 1998) |