| portosystemic | Relating to connections between the portal and systemic venous systems. (05 Mar 2000) |
|---|---|
| portovenography | Examination of the portal circulation by the use of X-ray films after injection of radiopaque material. (12 Dec 1998) |
| portrait | 1. The likeness of a person, painted, drawn, or engraved; commonly, a representation of the human face painted from real life. "In portraits, the grace, and, we may add, the likeness, consists more in the general air than in the exact similitude of every feature." (Sir J. Reynolds) The meaning of the word is sometimes extended so as to include a photographic likeness. 2. Hence, any graphic or vivid delineation or description of a person; as, a portrait in words. Portrait bust, or Portrait statue, a bust or statue representing the actual features or person of an individual; in distinction from an ideal bust or statue. Origin: F, originally p. P. Of portraire to portray. See Portray. Source: Websters Dictionary (01 Mar 1998) |
| portraits | Graphic representations, especially of the face, of real persons, usually posed, living or dead. They are pictures whose purpose is the portrayal of an individual or group of individuals, not pictures which merely include people as part of an event or scene. (12 Dec 1998) |
| portress | A female porter. Source: Websters Dictionary (01 Mar 1998) |
| portuary | A breviary. Origin: Cf. Portass. Source: Websters Dictionary (01 Mar 1998) |
| portuguese | Of or pertaining to Portugal, or its inhabitants. A native or inhabitant of Portugal; people of Portugal. Portuguese man-of-war. <zoology> See Physalia. Origin: Cf. F. Portugais, Sp. Portugues, Pg. Portuguez. Source: Websters Dictionary (01 Mar 1998) |
| Portuguese-Azorean disease | A rare form of hereditary ataxia, characterised by onset in early adult life of progressive, spinocerebellar and extrapyramidal disease with external ophthalmoplegia, rigidity dystonia symptoms, and, often, peripheral amyotrophy; found predominantly in people of Azorean ancestry; autosomal dominant inheritance. Synonym: Azorean disease, Portuguese-Azorean disease. Origin: Surnames of two families studied in major descriptions of the disease. (05 Mar 2000) |
| portulaca | <botany> A genus of polypetalous plants; also, any plant of the genus. Portulaca oleracea is the common purslane. P. Grandiflora is a South American herb, widely cultivated for its showy crimson, scarlet, yellow, or white, ephemeral blossoms. Origin: L, purslane. Source: Websters Dictionary (01 Mar 1998) |
| portulacaceous | <botany> Of or pertaining to a natural order of plants (Portulacaceae), of which Portulaca is the type, and which includes also the spring beauty (Claytonia) and other genera. Source: Websters Dictionary (01 Mar 1998) |
| porus | Synonym: sweat pore. See: opening. Origin: L. Fr. G. Poros, passageway (05 Mar 2000) |
| porus acusticus externus | The orifice of the external acoustic meatus in the tympanic portion of the temporal bone. Synonym: porus acusticus externus, external acoustic foramen, external acoustic pore, external auditory pore, external auditory foramen, orifice of external acoustic meatus. (05 Mar 2000) |
| porus acusticus internus | The inner opening of the internal acoustic meatus on the posterior surface of the petrous part of the temporal bone. Synonym: porus acusticus internus, internal acoustic foramen, internal acoustic pore, auditory pore, internal auditory foramen, orifice of internal acoustic meatus. (05 Mar 2000) |
| porus crotaphytico-buccinatorius | An occasional foramen in the sphenoid bone through which passes the motor portion of the trigeminal nerve; it is formed by ossification of a ligament below and lateral to the foramen ovale. Synonym: Hyrtl's foramen. (05 Mar 2000) |
| porus gustatorius | The minute opening of a taste bud on the surface of the oral mucosa through which the gustatory hairs of the specialised neuroepithelial gustatory cells project. Synonym: porus gustatorius, taste pore. (05 Mar 2000) |