| 单词 | suctorial |
| 释义 | suctorial, a. Zool.|sʌkˈtɔərɪəl|
[f. mod.L. suctōrius (n. pl. Suctōria, sc. animālia, the name of various zoological Groups), f. suct-, sūgĕre to suck v.]
Of an organ: Adapted for sucking. Of an animal: Having organs adapted for sucking or having the power of suction; belonging to any of the groups named Suctoria in which the mouth is adapted for sucking, or which possess sucking disks, or the like. Of a habit, etc.: Involving or characterized by suction.
1833Owen Descr. Catal. Comp. Anat. II. 80 When the Lamprey is firmly attached..to foreign bodies by means of its suctorial mouth. 1835–6Todd's Cycl. Anat. I. 267/2 The Tenuirostres..or suctorial birds. 1846Patterson Zool. 61 Suctorial discs, such as those of the leeches. 1851Richardson Geol. viii. 267 The Hemiptera..are suctorial insects. 1880Bastian Brain vi. 99 Owing to the suctorial habits of these fierce and predatory creatures, the œsophagus is very narrow. 1900–13Dorland Med. Dict. 672/1 Suctorial pad.
So sucˈtorian, a member of the Suctoria; esp. a cyclostomous fish; in mod. use spec. a protozoan of the class or subclass Suctoria, the adult form of which is usually sessile, lacking cilia and feeding by the use of suctorial tentacles; also as adj. = suctorial a.
1842Brande Dict. Sci., etc. 1931R. R. Kudo Handbk. Protozool. xxxiii. 399 The body of a suctorian may be spherical, elliptical, dendritic, etc. 1939Jrnl. Cellular & Compar. Physiol. XIV. 410 The tentacles of the suctorian protozoan Ephelota coronata..are very long and thin. 1975Nature 7 Aug. 467/2 Microtubules have also independently evolved into many other organelles of motility, such as..suctorian tentacles and haptonemata. 1980J. N. Farmer Protozoa xvii. 678/1 The tentacles of suctorians included in this family are of one type, the feeding tentacles. |
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