(a.) Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring.
(a.) Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
(a.) Of or pertaining to a spiral; like a spiral.
(a.) A plane curve, not reentrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed point called the pole. Cf. Helix.
(a.) Anything which has a spiral form, as a spiral shell.
Example Sentences:
(1) Digestion is initiated in the gastric region by secretion of acid and pepsin; however, diversity of digestive enzymes is highest in the post-gastric alimentary canal with the greatest proteolytic activity in the spiral valve.
(2) Don't we by chance come across this reciprocal spiral perspective when two people distrust one another without actually showing it?
(3) A great deal of information about the spiral bacteria of the stomach has accumulated in the past 5 years.
(4) Somalia has faced drought; famine; decades of conflict, now involving the Islamist rebels of al-Shabaab among other groups; the absence of an effective, central authority; and spiralling food prices.
(5) Spiral neurons, their fibers and endings as well as inner and outer hair cells express NSE in the isolated organ of Corti in culture.
(6) The binding sites were mainly located on the stereocilia, the cuticular plate of hair cells, the head plates of Deiters' cells, fibrous structures in pillar cells, in the spiral limbus and tectorial membrane and basilar membrane, plasma membranes, mitochondria and the chromatin of various kinds of cells.
(7) When normalized with respect to scala cross-section, the process of tracer movement across the spiral ligament is similar in the basal and third turns.
(8) Tangent-screen studies uncovered neurasthenic spiral fields superimposed on hysterical tubular contractions of both eyes.
(9) The phi-model also gives the noble numbers and moreover orders them in a way that establishes connections with the morphogenetic principles used in models for pattern generation; the order has to do with the relative frequencies of the spiral patterns in nature.
(10) The row had been inflamed over the weekend by a series of leaks about the spiralling price of Gove's free schools and high costs of Clegg's free school meals, giving Labour ammunition to attack the government's education policy in Westminster.
(11) Spiral-like primary dendrites were found and the orientation of secondary dendrites changed.
(12) The main uterine, radial and spiral arteries were identified in all patients.
(13) In animals receiving passive (unstimulated) implants, morphometric analysis of spiral ganglion cell density showed no significant difference in ganglion cell survival between the implanted cochleas and the contralateral control ears.
(14) Later, these vacuoles were divided into numerous vesicular spiral formation-centers, producing micronemes at the apical pole of young merozoites.
(15) During more extended exposure (60 and 90 days) the changes in hair cells of the spiral organ, which included nuclear deformation and disintegration of chromatin, mitochondria and endoplasmic reticulum membranes, became irreversible and caused the decay of injured cells.
(16) The company's value lies in its FM licence for London, with the audience for its national AM licence spiralling downwards in recent years.
(17) The spiral reinforcement at the same time prevents compression of the vein by surrounding cicatricial tissue as well as an aneurysmatic extension of the transplant.
(18) The intensity-measuring device in both apparatuses has a mobile disk attached to a motionless axis by a spiral spring; the clamps have fixing screws in the butts of a spong.
(19) The balance is fragile and the threat of a spiral of decline is not an idle one.
(20) They ran in a spiral pattern in the distal part of the middle cerebral artery.
Thread
Definition:
(n.) A very small twist of flax, wool, cotton, silk, or other fibrous substance, drawn out to considerable length; a compound cord consisting of two or more single yarns doubled, or joined together, and twisted.
(n.) A filament, as of a flower, or of any fibrous substance, as of bark; also, a line of gold or silver.
(n.) The prominent part of the spiral of a screw or nut; the rib. See Screw, n., 1.
(n.) Fig.: Something continued in a long course or tenor; a,s the thread of life, or of a discourse.
(n.) Fig.: Composition; quality; fineness.
(v. t.) To pass a thread through the eye of; as, to thread a needle.
(v. t.) To pass or pierce through as a narrow way; also, to effect or make, as one's way, through or between obstacles; to thrid.
(v. t.) To form a thread, or spiral rib, on or in; as, to thread a screw or nut.
Example Sentences:
(1) Use 3-ml Luer-Lok syringes and 30-gauge needles and thread the needle carefully into the vessel while using slow and steady injection with light pressure.
(2) No infection threads were found to penetrate either root hairs or the nodule cells.
(3) When using a nylon thread for the attachment of a pseudophakos to the iris, it may happen that the suture is slung tightly around the implant-lens.
(4) This thread ran through his later writings, which focused particularly on questions of the transformation of work and working time, envisaging the possibility that the productivity gains made possible by capitalism could be used to enhance individual and social life, rather than intensifying ruthless economic competition and social division.
(5) Santi Cazorla, Sánchez and Mesut Özil were all involved, and when the ball came back to Cazorla he made a fine threaded pass to Walcott.
(6) We've brought on two experts to answer your questions from 1-2pm BST in the comment thread on this article.
(7) The astrocytes had generally two types of processes: (1) thread-like processes of relatively constant width with few ramifications and few lamellar appendages and (2) the sinuous processes with clusters of lamellar appendages.
(8) Electron microscopy showed the presence of bacterial ghosts and protein threads.
(9) George RR Martin , whose series of novels inspired the HBO drama , has woven a tapestry of extraordinary size and richness; and most of the threads he has used derive from the history of our own world.
(10) The left anterior descending coronary artery of dogs and the right common carotid artery of rabbits were subjected to partial constriction with suture thread (40-60% reduction in transluminal diameter).
(11) Neuronal thread protein is a recently characterized, approximately 20-kd protein that accumulates in brains with Alzheimer's disease (AD) lesions.
(12) Small threaded pins do not cause femoral head rotation.
(13) Nematocyst capsules and everted threads from both species contained levels of glycine and proline-hydroxyproline characteristic of vertebrate collagens.
(14) Load transfer from ring to bone is concentrated at the first and last threads where the subchondral bone layer is penetrated.
(15) Furthermore, large numbers of neuropil threads are scattered throughout the nuclear gray.
(16) The histological findings of actinomyces spores, thread-like foreign material and detritus drew out attention to the rare manifestation of abdominal actinomycosis.
(17) Monofilament nylon threads are used as drains in free skin grafting; 2-0 or 3-0 nylon threads are usually applied.
(18) Monoclonal antibodies, raised independently in two laboratories against either pancreatic stone protein (PSP) or pancreatic thread protein (PTP), reacted with the Mr 14,000 protein(s).
(19) With the initial technique, the gastrostomy tube was pulled in by a thread introduced percutaneously into the stomach.
(20) P19 gave by proteolysis a protein of 14 KD (P14), at first named protein X and also called pancreatic thread protein or pancreatic stone protein.