| 释义 |
sensillum Zool.|sɛnˈsɪləm|
Pl. sensilla. Also sensilla (pl. -æ), sensillium (rare).
[mod.L. (coined in Ger. by E. Haeckel in Systematische Phylogenie (1895) III. ii. 119), dim. of L. sensus perception.]
A simple sensory receptor in invertebrates, esp. arthropods, consisting of a cell or small group of cells that is a modification of the cuticle or epidermis and is often hair- or rod-shaped.
1925A. D. Imms Gen. Textbk. Entomol. 65 The tactile sensillæ of insects are often distributed over the entire integument. 1935R. E. Snodgrass Princ. Insect Morphol. xvii. 525 The scolopophorous organs are usually compound sense organs, each consisting of a bundle of simple sensilla having a common point of attachment on the body wall. 1962Gordon & Lavoipierre Entomol. for Students of Med. xxxiv. 211 On the 9th tergite of both the male and female flea, there is a small pincushion-like structure (the pygidium or sensillium) which is believed to have a sensory function. 1962Science Survey III. 281 The last main class of hearing organs in insects comprises the various hair sensillae, scattered all over the body. 1963R. P. Dales Annelids vii. 143 The sense cells on these tentacles or cirri are commonly fusiform in shape with a sensilla or sensillae projecting through the cuticle. 1971Nature 24 Dec. 477/1 Each campaniform sensillum [on a cockroach leg] functions through a single primary sense cell. 1973Jrnl. Invertebrate Path. XXII. 409 (caption) Portion of another integumentary growth with apparent sensillium. |