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.

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]

spiral

/spi·ral/ (spi´ral)
1. helical; winding like the thread of a screw.
2. helix; a winding structure.

Curschmann's spirals  coiled mucinous fibrils sometimes found in the sputum in bronchial asthma.

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]

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]

spiral

1. winding like the thread of a screw.
2. a structure curving around a central point or axis.

Curschmann's s's
spiral organ of Corti
see organ of Corti.
spiral penile deviation
a defect in bulls. See corkscrew penis.
spiral septum
the arterial partition between aorta and pulmonary trunk, formed by the fusion of the truncal, bulbar and aorticopulmonary septa of the great vessels attached to the embryonic heart.
spiral worm
Dispharynx nasuta. See synhimantusspiralis.
References in periodicals archive ?
You can stitch this design in a line of open spirals to form a design called Spiral Chain.
In any spiral, a line drawn from the center of the curve to any given point makes an oblique angle with the tangent to the spiral at that point.
In order for dust extraction to be efficiently placed as close as possible to the tablet flow generated by the spiral vibration at the circumference of the spiral, the concept of centrally placed dust extraction - with slots along the shaft permitting occasional suction of powder - had to be completely rethought.
Starfrost's Helix Spiral is suitable for freezing and chilling food that requires medium to long retention times, such as ready meals, poultry, pizza, potato products, fish, desserts, bakery products and ice-cream.
where: Lax is the spiral axial length mm, Lele is the length of the spiral arms mm, r0 is the radius of the spiralmm, N is the number of turns of the spiral.
The inductance value of the spiral inductors at the HF range can be determined using the quasi-static method proposed by Greenhouse [14] with a good level of accuracy.
Staplers Jo bitches provided all three of Doncaster's open winners on Friday, a surge countered by Spiral Nikita at Wimbledon on Saturday, when his daughters were responsible for Derby Trial Stakes winners Who Needs Wings, Wayward Ted and Fear Robben.
The Helix Spiral freezer is the largest Starfrost system to date to be installed at the company's production facility in Amble, Northumberland.
Mary Lacey, NSPS program executive officer, recently met with senior leaders from the Spiral 1.
As history proves, spiral patterns can empower the energy-creating ability, of symbols in our lives.
SEX pest Spiral was given a secret warning by Big Brother after harassing Aisleyne for a second time in a week.