| parrot jaw | A condition caused by protrusion of incisor teeth. (05 Mar 2000) |
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| Pacheco's parrot disease virus | Probably a virus of the family Herpesviridae, possibly related to the virus of infectious laryngotracheitis. Synonym: parrot virus. (05 Mar 2000) |
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| vaza parrot | <zoology> Any one of several species of parrots of the genus Coracopsis, native of Madagascar. Synonym: vasa parrot. Source: Websters Dictionary (01 Mar 1998) |
| parrot | 1. <zoology> In a general sense, any bird of the order Psittaci. 2. <ornithology> Any species of Psittacus, Chrysotis, Pionus, and other genera of the family Psittacidae, as distinguished from the parrakeets, macaws, and lories. They have a short rounded or even tail, and often a naked space on the cheeks. The gray parrot, or jako (P. Erithacus) of Africa (see Jako), and the species of Amazon, or green, parrots (Chrysotis) of America, are examples. Many species, as cage birds, readily learn to imitate sounds, and to repeat words and phrases. <marine biology> Parrot weed, any fish of the genus Scarus. One species (S. Cretensis), found in the Mediterranean, is esteemed by epicures, and was highly prized by the ancient Greeks and Romans. Origin: Prob. Fr. F. Pierrot, dim. Of Pierre Peter. F. Pierrot is also the name of the sparrow. Cf. Paroquet, Petrel, Petrify. Source: Websters Dictionary (01 Mar 1998) |
| parrot-beak nail | A markedly curved fingernail. (05 Mar 2000) |
| parrot disease | <chest medicine, disease> Psittacosis is primarily an infectious disease of birds caused by the bacterium Chlamydia psittaci. Transmission from infected birds results in a relatively rare febrile illness characterised by pneumonia and systemic symptoms. A flu-like illness can also occur. Almost any bird can harbor this bacterium in their excreta, tissues, feathers and secretions, but parrots, parakeets and budgerigars are the most common. Psittacosis is considered an occupational disease of pet shop owners. Psittacosis is almost always transmitted to humans by the respiratory route. Average incubation is 7-14 days. (27 Sep 1997) |
| parrot fever | <chest medicine, disease> Psittacosis is primarily an infectious disease of birds caused by the bacterium Chlamydia psittaci. Transmission from infected birds results in a relatively rare febrile illness characterised by pneumonia and systemic symptoms. A flu-like illness can also occur. Almost any bird can harbor this bacterium in their excreta, tissues, feathers and secretions, but parrots, parakeets and budgerigars are the most common. Psittacosis is considered an occupational disease of pet shop owners. Psittacosis is almost always transmitted to humans by the respiratory route. Average incubation is 7-14 days. (27 Sep 1997) |
| parrot mouth | A condition of the horse in which the upper jaw is relatively longer than the lower, resulting in elongation of the upper incisors. (05 Mar 2000) |
| parrot's-bill | <botany> The glory pea. See Glory. Origin: So called from the resemblance of its curved superior petal to a parrot's bill. Source: Websters Dictionary (01 Mar 1998) |
| Parrot's disease | Pseudoparalysis in infants, due to syphilitic osteochondritis. Synonym: marasmus. (05 Mar 2000) |
| parrot virus | An obsolete term for Chlamydia psittaci. Synonym: Pacheco's parrot disease virus. (05 Mar 2000) |
| angle of jaw | <anatomy> The angle formed by the lower margin of the body and the posterior margin of the ramus of the mandible. Synonym: angulus mandibulae, angle of jaw. (05 Mar 2000) |
| centric jaw relation | The most retruded physiologic relation of the mandible to the maxillae to and from which the individual can make lateral movements; it is a condition which can exist at various degrees of jaw separation, and it occurs around the terminal hinge axis, the most posterior relation of the mandible to the maxillae at the established vertical relation See: eccentric relation. Synonym: median retruded relation, median relation. (05 Mar 2000) |
| rest jaw relation | The postural relation of the mandible to the maxillae when the patient is resting comfortably in the upright position and the condyles are in a neutral unstrained position in the glenoid fossa. Synonym: rest jaw relation, unstrained jaw relation. (05 Mar 2000) |
| crackling jaw | Chronic subluxation with clicking on motion. (05 Mar 2000) |
| Hapsburg jaw | Prognathism and pouting lower lip, characteristic of the Hispano-Austrian imperial dynasty. (05 Mar 2000) |