- oral disk
-
(CNIDARIA: Anthozoa)In polyps, a flattened area from which, usually 8 or multiples of 6, tentacles arise that communicate with the coelenteron.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
oral disk
Look at other dictionaries:
oral disk — the circular mouth area of lampreys (Petromyzontidae) bearing horny teeth … Dictionary of ichthyology
Oral history preservation — is the field that deals with the care and upkeep of oral history materials, whatever format they may be in. Oral history is a method of historical documentation, using interviews with living survivors of the time being investigated. Oral history… … Wikipedia
Disk — (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper. [1913… … The Collaborative International Dictionary of English
Disk engine — Disk Disk (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper … The Collaborative International Dictionary of English
Disk shell — Disk Disk (d[i^]sk), n. [L. discus, Gr. di skos. See {Dish}.] [Written also {disc}.] 1. A discus; a quoit. [1913 Webster] Some whirl the disk, and some the javelin dart. Pope. [1913 Webster] 2. A flat, circular plate; as, a disk of metal or paper … The Collaborative International Dictionary of English
History of the floppy disk — 8 inch, 5¼ inch, and 3½ inch floppy disks Over the history of the floppy disk a number of different formats were used. Floppy disks have now been largely superseded by other storage media and by network file transfer. Contents … Wikipedia
Floppy disk — Floppy redirects here. For other uses, see Floppy (disambiguation). 8 inch, 5 1⁄4 inch, and 3 1⁄2 inch floppy disks … Wikipedia
Aggregating anemone — Scientific classification Kingdom: Animalia Phylum … Wikipedia
agnathan — /ag neuh theuhn/, n. 1. any member of the vertebrate class Agnatha. adj. 2. agnathous. [AGNATH(A) + AN] * * * ▪ fish Introduction any member of the group of primitive, jawless fishes (fish) that includes the lampreys (lamprey) (order… … Universalium
Fish anatomy — The anatomy of fish is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than air does. Body (1) operculum (gill cover), (2)… … Wikipedia
