circulus


circulus
SYN: circle. 2. A circle formed by connecting arteries, veins, or nerves. [L. dim. of circus, circle]
- c. arteriosus cerebri [TA] SYN: cerebral arterial circle.
- c. arteriosus halleri SYN: vascular circle of optic nerve.
- c. arteriosus iridis major [TA] SYN: major arterial circle of iris.
- c. arteriosus iridis minor [TA] SYN: minor arterial circle of iris.
- c. articularis vasculosus SYN: articular vascular plexus.
- major c. arteriosus of iris [TA] SYN: major arterial circle of iris.
- minor c. arteriosus of iris [TA] SYN: minor arterial circle of iris.
- c. vasculosus nervi optici [TA] SYN: vascular circle of optic nerve.
- c. venosus halleri SYN: areolar venous plexus.
- c. venosus ridleyi SYN: circular sinus (1).
- c. zinnii SYN: vascular circle of optic nerve.

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cir·cu·lus -ləs n, pl -li -.lī an anatomical circle or ring esp. of veins or arteries

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cir·cu·lus (surґku-ləs) pl. cirґculi [L. “a ring”] circle: in anatomy, a ringlike arrangement, usually of arteries or veins.

Medical dictionary. 2011.

Look at other dictionaries:

  • CIRCULUS — V1TIGSUS (лат.), буквально порочный круг. Под С. v. в медицине и патологии подразумевают гл. обр. такие явления, когда возникающие от той или иной причины пат. последствия становятся сами причиной новых осложнений или усугубляют течение… …   Большая медицинская энциклопедия

  • Circŭlus — (lat.), s. Kreis, Ring. C. logĭcus, s. Zirkel im Beweis; C. Willisii, s. u. Gehirnarterie; Circuli venosi medullae spinalis, so v. w. Venenringe des Rückenmarkes …   Pierer's Universal-Lexikon

  • Circŭlus — (lat.), Kreis; c. aequinoctialis, Äquator; c. horarius, Stundenkreis; c. meridionalis, Mittagskreis; c. parallelus, Parallel , Breitenkreis; c. polaris, Polarkreis (c. arcticus, nördlicher, c. antarcticus, südlicher); c. tropicus, Wendekreis; c.… …   Meyers Großes Konversations-Lexikon

  • Circulus — Circŭlus (lat.), Kreis. C. vitiōsus (fehlerhafter Kreis), Trugschluß, wenn man sich durch Aufnahme des zu Beweisenden in den Beweisgrund im Kreise dreht …   Kleines Konversations-Lexikon

  • circulus — index circuit, cycle Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Circulus — This article is about the folk band. For the zoological behaviour, see Circulus (zoology). For the Chick Corea album, see Circulus (album). Circulus Origin London, England Genres Psychedelic folk Progressive rock Years active …   Wikipedia

  • Circulus — Cịrculus [aus lat. circulus, Gen.: circuli= Kreis, Ring] m; , ...li: Kreis, Ring, Gefäßkranz (Anat.). Cịrculus arterio̱|sus ce̱re|bri: Gefäßkranz an der Hirnbasis. Cịrculus arterio̱|sus i̱ridis ma̱jor bzw. mi̱nor [↑Iris]: großer bzw. kleiner… …   Das Wörterbuch medizinischer Fachausdrücke

  • circulus — n.; pl. circuli [L. circulus, ring] 1. Any ring like arrangement, i.e., the branching of small blood vessels. 2. (ARTHROPODA: Insecta) In scale insects, a glandular structure that discharges its contents internally …   Dictionary of invertebrate zoology

  • Circulus — Cir|cu|lus [ tsirku...] der; , ...li <aus lat. circulus »Kreis(linie)«> [kleiner] Kreis, Ring (Med.) …   Das große Fremdwörterbuch

  • circulus — (plural circuli)) the concentric ring or polygon found on scales; also called ridge …   Dictionary of ichthyology

  • circulus — /serr kyeuh leuhs/, n., pl. circuli / luy /. any of the concentric circles on each scale of a fish, each of which indicates the annual growth of that scale. [ < L: CIRCLE] * * * …   Universalium


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