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Related to annulus: Annulus fibrosus, Annulus of Zinn
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  • noun

Synonyms for annulus

a toroidal shape

(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

References in periodicals archive ?
From a safety perspective, annulus pressure and casing leaks represent the risk of an uncontrolled release of pressure from the well, which in turn could result in the release of hydrocarbons and other formation fluids and, in the worst-case scenario, a blowout.
Several biomechanical properties, including stress on the annulus fibrosus fibers, posterior ligamentous complex, and the UIV/UIV +1 level with and without pedicle screws were compared and analyzed.
Using the new technology, surgeons can perform a mitral valve annulus repair by implanting a device into the patient's heart while it is still beating.
The Millipede IRIS annuloplasty ring, delivered via a transcatheter-transseptal delivery system, follows the standard surgical approach to repair and reduce the size of a dilated mitral annulus.
Annulus fibrosis ADC values were recorded from the 16 points of the outer area, and the mean was calculated.
lie in the annulus [r.sub.1] [less than or equal to] [absolute value of z] [less than or equal to] [r.sub.2], where [r.sub.1] is the unique positive root of the equation
"The previous D-PEC tool could not always be used in the annulus between conductor and surface casing if the offshore well had been cemented.
Separation of the septal leafet of the tricuspid valve from the annulus to enhance perception of VSDs was at first depicted by Hudspeth and partners in 19623,4.
Out of 307 operated patients, 4 (1.3%) patients had previous modified Blalock Taussig shunts, 2 (0.6%) associated ASD with TOF, 3 (0.9%) co-association of TOF with PDA, 2 (0.6%) had large conal arterial branch crossing the annulus, 3 (0.9%) had dextrocardia with situs inversus, 12 (3.9%) TOF with double outlet right ventricle (DORV), 2 (0.6%) were associated with complete AV canal defect, 8 (2.60%) with absent pulmonary valve syndrome, 15 (5.5%) with left pulmonary artery stenosis.
annulus, known as the gold ring cowrie, is a small Cypraea type and belongs to the Cypraeidae family [32,33].
Break-out lab and demo sessions round out each day of instruction, providing attendees with hands-on experience in these areas: EPB Soil Conditioning, Rock Cutting, Slurry, EPB TBM Simulator, Numerical Modeling, Shotcrete, Blasting Design, Annulus Grout, Abrasivity and Wear, Tunneling Geology Walk and 3D Geotechnical Site Investigation and BIM.