(n.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.
(a.) Of or pertaining to the Cycloidei.
(n.) One of the Cycloidei.
Example Sentences:
(1) Furthermore, they seem to suggest that most cases of cycloid psychosis are not variants of either schizophrenia or major affective disorders.
(2) A subsample of untreated cycloid psychoses satisfying the requirements for major affective disorder according to DSM-III was compared with a subsample of cycloid psychoses getting other DSM-III diagnoses.
(3) It seems also reasonable to include the ideational apraxia within the symptoms to be sought in those cycloid psychotic states including confusional psychosis.
(4) For this reason we consider that the concept of the cycloid psychoses is appropriate for the characterization of a large proportion of childbed psychoses.
(5) The most striking difference between cycloids and affectives was the lack of manic episodes during the follow-up period in the former group.
(6) Of the parents of the systematic schizophrenics 2.3% were ill, of the parents of the unsystematic schizophrenics 11.6%, of the parents of the cycloid psychotics 5.0%.
(7) They observed that the individual variations of this ratio are of the same magnitude in "cycloid psychosis" and in chronic schizophrenia.
(8) Cases with PPP onset within 3 weeks of delivery (mostly affective or cycloid psychoses) evidenced more frequent tension-anxiety and excitement at interviews during pregnancy than did diagnostically comparable cases not developing PPPs.
(9) The cycloid test system is easy and fast to use, and the estimate is truely unbiased.
(10) Marital fertility was within the expected interval in cycloid probands.
(11) Across the entire first year, the Cycloid and Schizophrenic mothers deviated most frequently from controls, while the Affectives' interaction was more negative than controls' for the first time at the 1-year observation.
(12) Happiness-ecstacy and global altruism were exclusively recorded in cycloid psychosis.
(13) Besides, the transferrin serum values are decreased in cycloid psychoses (p less than 0.001).
(14) The course and outcome of cycloid psychotic disorder was explored by means of a prospective three-year follow-up of a sample of patients fulfilling the diagnostic criteria for the disorder provided by Perris & Brockington, compared to patients with a diagnosis of affective or schizoaffective disorder.
(15) Several prognostically favorable factors found in the Bonn Study are identical to criteria used to classify schizo-affective, schizophreniform and cycloid psychoses, e.g., acute onset, endogenomorph-depressive symptoms, and psychoreactivity.
(16) No such differences could be statistically verified; no symptom profile specifically indicating cycloid psychosis could be found.
(17) Frequencies of HLA antigens, blood groups, serum groups and red cell enzyme types in patients with cycloid psychosis were compared with those in patients with bipolar psychosis and in normal controls.
(18) With the systematic schizophrenics the average period spent in hospital amounted to 16.9 years, with the unsystematic schizophrenics 13.8 years, with the cycloid psychotics 8.2 years.
(19) The circle of the marked personality types according to the analyzed indices are limited both from representatives of the normal population and representatives of other personality types ("model", "deficient", cycloids).
(20) A subcohort of 64 patients, satisfying at least 5 items of the rating protocol, was then analysed by Q-factor analysis to test whether nuclear cases of cycloid psychosis differ from symptomatically related syndromes.
Hypocycloid
Definition:
(n.) A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid.
Example Sentences:
(1) Axial hypocycloidal tomography is now an indispensable part of the diagnostic evaluation of patients with suspected orbital tumours and the procedure is complementary to other non-invasive investigations of the orbit, such as axial computerized tomography and ultrasonography.
(2) Six examiners, three radiologists and three oral surgeons, independently measured the distance from the alveolar crest to the upper border of the mandibular canal in transverse hypocycloidal tomograms of the mandible.
(3) The requirements for reproduction on thin bony walls at tomography with hypocycloidal movement are defined and discussed.
(4) Thirty-six temporomandibular joints (TMJs) in 28 symptomatic patients (aged 14-40 years) with rheumatic disease (mostly rheumatoid arthritis) were studied with magnetic resonance (MR) imaging and hypocycloidal tomography.
(5) The hypocycloidal polytomographic temporal bone studies performed on 2683 patients were reviewed, and the radiographic appearance of the vestibular aqueduct was evaluated.
(6) Hypocycloidal (frontal and temporal) tomography of the base of the skull is compared with high resolution computed tomography (HR-CT) with respect to dose and clinical usefulness.
(7) For preliminary evaluation of the temporal bone, a combination of conventional radiographs and hypocycloidal tomography in the frontal projection is advocated.
(8) Hypocycloidal images of a head phantom were subjectively ranked for image quality, and contrast, spatial frequency spectra, and Wiener noise spectra were measured.
(9) Previous reports have described the use of metrizamide cisternography combined with either hypocycloidal tomography or computerized tomography; however, direct, dynamic, real-time visualization of the fistula is difficult with instillation of a minimal dose of metrizamide using those methods.
(10) The techniques described include simple plain film roentgenography (and its contrast-related applications: dacryocystography, orbital venography, and angiography), axial hypocycloidal tomography, computed tomography, ultrasonography, and magnetic resonance imaging.
(11) Fractures are best evaluated by conventional roentgenograms with linear or hypocycloidal tomography.
(12) In the second group, the preoperative endoscopic findings were dominated by disease in the middle meatus and in the area of the anterior ethmoid, verified either by conventional hypocycloidal or computed tomography.
(13) Modulation Transfer Functions (MTF) for tomographic imaging with linear, circular, hypocycloidal and spiral motion are given.
(14) The EMI-Scanner had a diagnostic accuracy of 84%; orbital venography, 84%; axial hypocycloidal tomography, 71%; and ultrasound, 76%.
(15) With exception of one woman in whom it probably had been missed by hypocycloidal tomography, no demonstrable prolactinoma developed.
(16) This paper presents a technique for accurate localization of these fistulae, using metrizamide cisternography combined with both hypocycloidal tomography and computed tomography.
(17) The following radiographic techniques were used: periapical and panoramic radiography, hypocycloidal tomography, and computed tomography (CT).
(18) Pneumoencephalography with hypocycloidal polytomography is interpreted as both an empty sella, and evidence of a pituitary adenoma.
(19) Cisternography with metrizamide (Amipaque) and hypocycloidal tomography was found to depict cisternal anatomy with detail and precision not obtainable with any other technique.
(20) Each patient had a combined tomographic examination consisting of 15 degrees linear movement followed by 34 degrees hypocycloidal movement.