| placental transfusion | Return to the newborn via the umbilical vessels some of the foetal placental blood. (05 Mar 2000) |
|---|---|
| placentalia | <zoology> A division of Mammalia including those that have a placenta, or all the orders above the marsupials. Source: Websters Dictionary (01 Mar 1998) |
| placentascan | An obsolete method of determining the location of the placenta by means of injected radioactive material and its localization and display by a scintillation detector. (05 Mar 2000) |
| placentation | <zoology> In mammals, the process of a placenta forming during gestation. <plant biology> In plants, the arrangement of placentas, and hence of ovules, within an ovary. (31 Dec 1997) |
| placentiferous | <botany> Having or producing a placenta. Origin: Placenta. Source: Websters Dictionary (01 Mar 1998) |
| placentiform | <botany> Having the shape of a placenta, or circular thickened disk somewhat thinner about the middle. Origin: Placenta. Source: Websters Dictionary (01 Mar 1998) |
| placentitis | Inflammation of the placenta. (05 Mar 2000) |
| placentography | An obsolete term for radiography of the placenta following intrauterine injection of a radiopaque contrast medium. Origin: placenta + G. Grapho, to write (05 Mar 2000) |
| placentoma | An intrauterine mass of decidual tissue, probably the result of hyperplasia of decidual cells retained in the uterus. Synonym: placentoma. Loeb's deciduoma, mass of decidual tissue produced in the uterus, in the absence of a fertilised ovum, by means of mechanical or hormonal stimulation. (05 Mar 2000) |
| placentotherapy | Therapeutic use of an extract of placental tissue. (05 Mar 2000) |
| placid | Pleased; contented; unruffied; undisturbed; serene; peaceful; tranquil; quiet; gentle. "That placid aspect and meek regard." . "Sleeping . . . The placid sleep of infancy." Origin: L. Placidus, originally, pleasing, mild, from placere to please: cf. F. Placide. See Please. Source: Websters Dictionary (01 Mar 1998) |
| placidity | The quality or state of being placid; calmness; serenity. Origin: L. Placiditas: cf. F. Placidite. Source: Websters Dictionary (01 Mar 1998) |
| placidly | In a placid manner. Source: Websters Dictionary (01 Mar 1998) |
| placidness | The quality or state of being placid. Source: Websters Dictionary (01 Mar 1998) |
| Placido da Costa's disk | <instrument> An instrument marked with lines or circles by means of which the corneal reflex can be observed. Synonym: Placido da Costa's disk. Origin: kerato-+ G. Skopeo, to examine (05 Mar 2000) |