| preconceptual counselling | The interchange of information prior to pregnancy. Usually for pregnancy planning and care. (12 Dec 1998) |
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| preconceptual stage | In psychology, the stage of development in an infant's life, prior to actual conceptual thinking, in which sensorimotor activity predominates. (05 Mar 2000) |
| preconization | 1. A publishing by proclamation; a public proclamation. 2. A formal approbation by the pope of a person nominated to an ecclesiastical dignity. Origin: L. Praeconium a crying out in public, fr. Praeco, -onis, a crier, a herald: cf. F. Preconisation. Source: Websters Dictionary (01 Mar 1998) |
| preconize | To approve by preconization. Source: Websters Dictionary (01 Mar 1998) |
| preconscious | In psychoanalysis, one of the three divisions of the psyche according to Freud's topographical psychology, the other two being the conscious and unconscious; includes all ideas, thoughts, past experiences, and other memory impressions that with effort can be consciously recalled. Compare: foreconscious. (05 Mar 2000) |
| preconvulsive | Denoting the stage in an epileptic paroxysm preceding convulsions (e.g., aura). (05 Mar 2000) |
| precoracoid | <anatomy> The anterior part of the coracoid (often closely united with the clavicle) in the shoulder girdle of many reptiles and amphibians. Source: Websters Dictionary (01 Mar 1998) |
| precordia | The epigastrium and anterior surface of the lower part of the thorax. Synonym: antecardium. Origin: L. Praecordia (ntr. Pl. Only), the diaphragm, the entrails, fr. Prae, before, + cor (cord-), heart (05 Mar 2000) |
| precordial | <anatomy, cardiology> Pertaining to the precordium, which is the region over the heart and lower part of the thorax. (18 Nov 1997) |
| precordial catch syndrome | <syndrome> A benign syndrome of uncertain origin, characterised by sharp, sudden pain in the region of the cardiac apex on inspiration, yet usually relieved by forcing a deeper breath; tenderness is absent. (05 Mar 2000) |
| precordial electrocardiography | Recording of electrocardiographic signals from the anterior left chest; conventionally six electrode positions are used but any number may be applied. (05 Mar 2000) |
| precordial leads | Those in which the exploring electrode is on the chest overlying the heart or its vicinity. Synonym: precordial leads, semidirect leads. (05 Mar 2000) |
| precordialgia | Pain in the precordial region. Origin: precordia + G. Algos, pain (05 Mar 2000) |
| precordium | Singular of precordia. (05 Mar 2000) |
| precorneal film | A protective film, 7 to 9 nm thick, consisting of external oily, intermediate watery, and deep mucoprotein layers. Synonym: tear film. (05 Mar 2000) |