| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,822,452,726 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
annulus |
Also found in: Medical, Wikipedia, Hutchinson | 0.02 sec. |
|
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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| Encyclopedia browser | ? | ? Full browser | |||
|---|---|---|---|---|---|
annular conductor annular drainage pattern annular eclipse annular effect annular gear annular hernia annular nozzle Annular region annular section annular solid annular transistor annular vault annular velocity annular vessel annulated shaft |
| ||||
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|