spiral

spiral (spI´ral)

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]
Curschmann's s.'sspirally twisted masses of mucus occurring in the sputum in bronchial asthma.
s. of Tillauxan imaginary line connecting the insertions of the recti muscles of the eye.

 

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