| ARP | absolute refractory period; American Registry of Pathologists; anticipated recovery path; apolipopro... |
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| LP | labile peptide; labile protein; laboratory procedure; lactic peroxidase; lamina propria; laryngophar... |
| PMP | pain management program; patient management program; patient medication profile; peripheral myelin p... |
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| CP | candle power; capillary pressure; cardiac pacing; cardiac performance; cardiopulmonary; caudate puta... |
| Wenckebach period | A sequence of cardiac cycles in the electrocardiogram ending in a dropped beat due to A-V block, the preceding cycles showing progressively lengthening P-R intervals; the P-R interval following the dropped beat is again shortened. (05 Mar 2000) |
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| crisis period | A situation in which most of the secondary cells in a culture die off, even though conditions exist which should normally be favorable for their growth. (09 Oct 1997) |
| critical period | <psychology> A specific stage in animal and human development during which certain types of behaviour normally are shaped and molded for life. (12 Dec 1998) |
| postoperative period | The period following a surgical operation. (12 Dec 1998) |
| postprandial period | Occurring after dinner, or after a meal. (12 Dec 1998) |
| hamilton period | <geology> A subdivision of the Devonian system of America; so named from Hamilton, Madison Co, new York. It includes the Marcellus, Hamilton, and Genesee epochs or groups. Source: Websters Dictionary (01 Mar 1998) |
| preejection period | The interval between onset of QRS complex and cardiac ejection; electromechanical systole minus ejection time. (05 Mar 2000) |
| prepatent period | <microbiology> The period of time equivalent to the incubation period of parasite infections compared with microbial infections. It is biologically different, because the parasite is undergoing developmental stages in the host, and the prepatent period represents the time from infection until a female starts to produce eggs, and is equivalent to the latent period in microparasitic infections. (21 Jun 2000) |
| salina period | <geology> The period in which the American Upper Silurian system, containing the brine-producing rocks of central new York, was formed. Origin: So called from Salina, a town in New York. Source: Websters Dictionary (01 Mar 1998) |
| prodromal period | The time during which a disease process has begun but is not yet clinically manifest. (05 Mar 2000) |
| puerperal period | The period elapsing between the termination of labour and the return of the generative tract to its normal condition; the 6 weeks following the completion of labour. (05 Mar 2000) |
| pulse period | The reciprocal of the repetition rate; e.g., the interval between leading edges of successive pulses. (05 Mar 2000) |
| silent period | The time during which there is no electrical activity in a muscle following its rapid unloading, any pause in an otherwise continuous series of electrophysiologic events. (05 Mar 2000) |
| niagara period | <geology> A subdivision or the American Upper Silurian system, embracing the Medina, Clinton, and Niagara epoch. The rocks of the Niagara epoch, mostly limestones, are extensively distributed, and at Niagara Falls consist of about eighty feet of shale supporting a greater thickness of limestone, which is gradually undermined by the removal of the shale. See Chart of Geology. Source: Websters Dictionary (01 Mar 1998) |
| synthesis period | The period of the cell cycle when there is synthesis of DNA and histone; it occurs between Gap1 and Gap2. Synonym: S phase. (05 Mar 2000) |