circulus


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circulus

[′sər·kyə·ləs]
(biology)
Any of various ringlike structures, such as the vascular circle of Willis or the concentric ridges on fish scales.
References in periodicals archive ?
Circulus present between abdominal segments III and IV, with an intersegmental crease.
13) This fact is very important because it gives us a possibility to avoid circulus vitiosus, when the accentuation rule is based on splitting a word into formatives, but the list of formatives is compiled on the basis of accentuation characteristics.
Hoc autem sic erit, quasi omnes scientiae probentur argumentationibus hypotheticis coniunctis, verbi gratia: si circulus est, talis vel talis triangulus est.
The Circulus from Philips Consumer Luminaires is a compact, ultra-flat, anti-glare LED disc in ceiling spots and a suspension light.
CIRCULUS VITIOSUS BY KALOYAN ILIEV-KOKIMOTO [exhibition including photography, objects, textile works and collages]
50 CIRCULUS Chapter Arts Centre, Cardiff Tel: 029 2030 4400 Enjoy a neo-Elizabethan psychedelic festive folk rock night with this ace band.
Ronan Keating If neo-Elizabethan folk rock is more your bag then get over to Chapter Arts Centre tomorrow for Circulus, while tonight the same venue hosts Your Appointment Will Be Yesterday, an evening of "sonic thought food" as different bands, DJs and weird acts battle it out.
Marks were made along the reference line at the center of the scale focus, between the last freshwater circulus and the first marine circulus, at the outer edge of the first marine annulus, at the outer edge of the second marine annulus, and the outer edge of the scale.
for example, treats the circulus (alias circulatio) as a rhetorical figure that sundry composers, from Josquin down to Bach and Haydn, simulated by a wavy motive for words referring to the circle or its analogues (wreath, sun, ring, wave, world, wheel, circumference).
But the inclusion of the four Winds, to complete the cosmic portrait, confirms the print's allegorical nature, as does its place in the Circulus vicissitudinis rerum humanarum, a series of eight prints designed to present a moral lesson (pointed in Latin verses).
The Vita Sanctae Marie provides an extended description of Mary's relations with her fenestral lover, including her choice to climb out the window of her anchoritic cell to have sex with the young man after he importunes her "ita ut unius anni circulus volveretur, donec cogitationem ejus verborum suorum mollitiae enervaret" (and for the full circle of a year, he softened her thoughts by his words).