| 单词 |
tylote |
| 释义 |
tylote, n. (a.) Zool.|ˈtaɪləʊt| Also in L. form tylotus |taɪˈləʊtəs|. [ad. Gr. τυλωτός knobbed, vbl. adj. f. τυλοῦν to make knobby, f. τύλος knob.] A sponge-spicule of the form of a cylindrical rod with a knob at each end; also attrib. or adj. Hence ˈtylotate a. [-ate2], shaped like a tylote, knobbed; ‖ tyloˈtoxea [oxea], a spicule resembling a tylote but pointed at one end (whence tyloˈtoxeate a., shaped like a tylotoxea).
1887Sollas in Encycl. Brit. XXII. 416/2 (Sponges) The spicular rays often become cylindrical;..they are..frequently rounded off (strongylate), or thickened into knobs (*tylotate), or branched (cladose). Ibid. 417/2 The distal ends..becoming slightly tylotate.
Ibid. 417/1 The rhabdus..if knobbed at both ends [is known] as a *tylote. 1888― in Challenger Rep. XXV. p. lviii, Tylostyle. A style which is tylote at the origin.
1887― in Encycl. Brit. XXII. 417/1 The tylote if pointed at one end is a *tylotoxea.
1891Cent. Dict. (citing Sollas) *Tylotoxeate.
1886R. von Lendenfeld in Proc. Zool. Soc. 21 Dec. 561 *Tylotus. A cylindrical rod with a knob at each end. |

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