annulus


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Related to annulus: Annulus fibrosus, Annulus of Zinn

annulus

[′an·yə·ləs]
(anatomy)
Any ringlike anatomical part.
(botany)
An elastic ring of cells between the operculum and the mouth of the capsule in mosses.
A line of cells, partly or entirely surrounding the sporangium in ferns, which constricts, thus causing rupture of the sporangium to release spores.
A whorl resembling a calyx at the base of the strobilus in certain horsetails.
(mathematics)
The ringlike figure that lies between two concentric circles.
(mycology)
A ring of tissue representing the remnant of the veil around the stipe of some agarics.
References in periodicals archive ?
01); annulus fibrosis ADC values of L1 intervertebral discs in Groups A (0.
annulus shell specimens were collected from waters of Larat Island, West Southeast Maluku and Ambon Island waters, Ambon City (Figure 1).
Due to the sealing capabilities of the Tecno Plug, the additional contingency measure of grout-filling the seal annulus was not required.
The mastoid segment of the facial nerve, as it moves forward distally, takes a more lateral and anterior course and crosses the plane of the annulus in its inferior third.
For example, if the location of the annulus just ventral to the worn enamel is assumed to be the LRP.
Variation in annulus formation across the range of a single species has been noted in several studies.
Fish captured in May, before annulus deposition was complete, had the edge counted as the final annulus.
Silveira, but the latter species differs in the fleshy and grooved annulus, the shape of pleuroclirysocystidia and cheiloclirysocystidia, which are broadly fusoid and bear a rostrate apex, and the presence of cheiloleptocystidia and pileipellis strongly gelatinized; in addition, it is a more robust mushroom (Cortez & Silveira, 2008).
During the procedure initially RV angiogram was done for Visualization of RV cavity, pulmonary annulus and infundibular anatomy, simultaneously Preballooning RV pressure was measured, multiple types of balloons (Tyshak II, Z-med, Cordis, Atlas) were used for valvuloplasty.
l] is the spatial density of the RF nodes transmitting in the annulus and n is the total number of mobile nodes.
In part by casing annulus with, with the introduction of a new pipe in DN steel 350 mm in the existing pipeline DN 400 mm, about 25 m.
1) and the entire tympanomeatal flap is elevated till the annulus.