| 释义 |
‖ seta|ˈsiːtə|
Pl. setæ |ˈsiːtiː|.
[L. sēta, saeta bristle.]
1. Bot. A stiff hair or bristle-like body. Also the stalk which supports the theca or capsule of mosses.
1793T. Martyn Lang. Bot., Seta, a Bristle. A strong, stiff, roundish hair. A sort of pubescence.—Linneus also puts it for the scape of the capsule in Mosses. 1830Lindley Nat. Syst. Bot. 320 Thecæ [of mosses], hollow urn-like cases seated upon a seta or stalk. 1832― Introd. Bot. i. ii. 104 When the arista proceeds from the very apex of the bracteæ, and not from below it, it is denominated in the writings of Palisot a seta. 1870Hooker Stud. Flora 219 Leaves covered..with long flexuous scattered..hairs or setæ with bulbous bases.
2. Zool. A bristle; a bristle-like appendage.
c1820Edin. Encycl. (1830) VII. 432 Ampithöe. Superior antennæ, without a seta at the base of the last joint. 1826Kirby & Sp. Entomol. IV. xliv. 225 A number of small hexapods distinguished by two pairs of anal setæ and a proleg. 1858W. Clark tr. Van der Hoeven's Zool. II. 553 Gypaëtus. Head closely plumed, bearded with rigid setæ under the bill. 1881–82W. Saville-Kent Man. Infusoria II. 779 Two oblique rows of ventral setæ, three caudal, but no anal setæ. |