spiral

(redirected from spirals)
Also found in: Dictionary, Thesaurus, Legal, Idioms, Encyclopedia.
Related to spirals: Fibonacci

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 ?
Smith said one of the biggest challenges of the two-month project was retrofitting the new spirals into the existing structure.
So it's unclear if super spirals form via mergers or via cosmic pipelines of cold gas that would feed the growing disk from the inside out (S&T: Sept.
Ogle and colleagues chanced upon super spirals as they searched for extremely luminous, massive galaxies in the NASA/IPAC Extragalactic Database (NED), an online repository containing information on over 100 million galaxies.
You can stitch this design in a line of open spirals to form a design called Spiral Chain.
The Barrel Mill of Avon, MN, a cooperage in Central Minnesota, has introduced a new smaller version of its patented Oak Infusion Spiral that allows home brewers and craft beverage enthusiasts to quickly and easily add barrel-aged flavor, color and aroma directly to the bottle.
In the Archimedean and other types of spirals, the camming angle is not constant.
They succeeded in capturing clear, detailed images of its disk, which they discovered has a spiral structure with two clearly discernable arms.
Competing high tension spirals have multiple drives, motors, bearings, rollers and hundreds of moving parts to maintain.
The Spiral Labyrinth Calendar is a tool for self-discovery Anything you can color code--meditations, moods, fertility, paydays, sick days, sobriety--you can track on your calendar.
In this paper, practical and accurate analytical design method and algorithm for low profile microstrip spiral inductors are proposed using the simplified lumped element equivalent model.
ONE of the UK's leading manufacturers of frozen vegetable products has invested in another spiral freezer from equipment specialist Starfrost.
Besides its potent symbolism and helpful energy, an herbal spiral with it many practical benefits.