spiral

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spiral

 [spi´ral]
1. winding like the thread of a screw; called also helical.
2. a winding structure; see also coil and helix.
Curschmann's s's coiled fibrils of mucin sometimes found in the sputum of patients with asthma. See also Laënnec's pearls.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

spi·ral

(spī'răl),
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. A structure in the shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]
Farlex Partner Medical Dictionary © Farlex 2012

spi·ral

(spī'răl)
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. A structure in the shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

spi·ral

(spī'răl)
1. Coiled; winding around a center like a watch spring; winding and ascending like a wire spring.
2. Structure in shape of a coil.
[Mediev. L. spiralis, fr. G. speira, a coil]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Potty Pete's own problems with the law are well documented and his life certainly shows signs of spiralling down the gutter and beyond.
Then there are three Icarus teams, spiralling down in a mess of wax and feathers after flying too close to the sun: Bolton demotivated by the loss of their talismanic former boss, Reading, suffering second season syndrome, and Wigan, slipping back to last term's ineptitude after peaking too early.
Chesterfield v Blackpool YOU have to admire the job Roy McFarland has done at Chesterfield, but they will surely start spiralling down the table at some stage and Blackpool could cause an upset at 4-1 today.
And Geldof, 52, tells BBC1's Jeremy Vine tomorrow: 'Things were spiralling down so much that while her death wasn't the inevitable conclusion it was certainly a possibility.
This has sparked speculation in markets about takeovers and insolvency among insurers, sending stock markets spiralling down further.
Executioners moved up to fourth after collecting a white wash from Gigolo's, whilst second-placed Simpsons sent Red & White spiralling down the table.