circle

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circle

 [ser´k'l]
a round figure, structure, or part.
Berry's c's charts with circles on them for testing stereoscopic vision.
cerebral arterial circle circle of Willis.
Minsky's circle a device for the graphic recording of eye lesions.
sensory circle a body area within which it is impossible to distinguish separately the impressions arising from two sites of stimulation.
circle of Willis the anastomotic loop of blood vessels near the base of the brain. Called also cerebral arterial circle.

cir·cle

(ser'kĕl),
1. anatomy a ring-shaped or anular structure or group of structures, as formed by anastomosing arteries or veins, or by connected (communicating) nerves.
2. A line or process with every point approximately equidistant from the center.
Synonym(s): circulus [TA]
[L. circulus]

cir·cle

(sĭr'kĕl)
1. A ring-shaped structure or group of structures.
Synonym(s): circulus (1) [TA] .
2. A line or process with every point equidistant from the center.
[L. circulus]

cir·cle

(sĭr'kĕl)
anatomy ring-shaped or anular structure or group of structures, as formed by anastomosing arteries or veins, or by connected (communicating) nerves.
[L. circulus]
References in periodicals archive ?
"These Arctic Circler Balloon results take us one step closer to that reality."
Irwin's positive experience reflects the encouraging results we are getting across Europe with Arctic Circler and leads us to believe our AF cryoablation franchise positions CryoCath to become the dominant player in AF ablation."
Gazette reports of fundraising by Teesside circlers include in April 1983, when the Saltburn and District circle raised PS680 for the Skelton Training Centre.
* INVIGORATING: Kate Atkins of Colne Valley Circle, back centre, headed to Blackpool recently to join Ladies Circlers from all over the UK when they took the plunge on the PepsiMax Big One - in their bras and pink tutus - to raise awareness of The Genesis Breast Cancer Appeal * ALL TOGETHER NOW: Colne Valley Women's Circle, from left, Lynn Dare, Gemma O'Toole, Dawn Ritchie, Joanne Arundel, Kathy Roche, Karen Oxley, Val Dyson, Louise Wibberley, Celia Drabble and chairman Kate Atkins (PC091010Awomens-01) Purchase: www.examiner.co.uk/buyaphoto 01484 430000 ext 7778