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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 ?
In short, because they simply don't have the funds to accurately age all harvested deer using the cementum annuli method.
In this method, annuli on the enamel of the second dorsal fin spine are viewed and counted using reflected light and a dissecting microscope or with image analysis software.
For instance, Atlantic sea scallops (Placopecten magellanicus) form annuli in summer over most of their range, but form them in winter at the range's northern edge (Chute et al.
Annuli were defined as alternating pairs of translucent and opaque growth zones.
i] where the transmitters are located can be expressed as a summation of L annuli of width [rho], the MGF of the aggregate power received from the transmitters located within the L annuli is given by
This material is inert and can be used without any reservation in the annuli of the PIP segments.
Key words: cementum annuli, Cougar, gum-line recession, mammal aging, Mountain Lion, Oregon, Puma concolor
Finally, the number of aesthetascs within the boundaries of the identified annuli in each of the three stimulus zones was carefully counted and recorded using a compound microscope.
Results: Cadaveric discs, group A, B and C compared with herniated discs A1, B1 and C1, Annuli fib- rosi in herniated discs (A1, B1, and C1) showed significant reduction of cells, disorganized lamellar pattern of collagen, formation of cysts, clefts and numerous new micro-vessels as compared to fresh cadaveric disc tissues (A, B and C).
The most desirable method of validating age is to compare counts of annuli from hardparts to known ages of individual fishes; in wild populations, this often is unfeasible.
US) address concrete questions regarding energy minimal deformations of annuli in Rn.
The complexity of flow geometries and the equation of fluid flow through eccentric annuli have attracted many scholars over the years.
The result is a series of annuli filled with different types of fluid that balance the pressure from the surrounding geological formation.
The advisability of using external casing packers, in addition to cement, to seal certain annuli should also be considered," he added.