ANNULI
- ring; ringlike part, band, or space
- the space between two concentric circles on a plane
- the veil remnant on a mushroom stalk
- growth ring, as on the cross section of a tree trunk, that can be used to estimate age
- line of cells around a fern sporangium that ruptures the sporangium by contracting
- ring
- part, structure, or marking resembling a ring as
- growth ring (as on the scale of a fish) that is used in estimating age