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单词 scolopidium
释义 scolopidium Ent.|skɒləˈpɪdɪəm|
Pl. -idia.
[mod.L., coined in Ger. (F. Eggers 1923, in Zool. Anzeiger LVII. 239), f. Gr. σκολοπ-, σκόλοψ spike, after ommatidium.]
An elongated sensory end-organ in insects consisting chiefly of the nucleus and dendrite of a sensory nerve cell and a tubular sheath enclosing the dendrite; spec. each of those that compose a chordotonal organ.
1939V. B. Wigglesworth Princ. Insect Physiol. vii. 135 Chordotonal sensilla or scolopidia—These sensilla are generally believed to be derived from campaniform sensilla through their component parts becoming elongated and deeply sunk within the body.1957New Biol. XXIII. 38 Applied to the inside of the membrane [of a locust's tympanal organ] are the ends of a number of special sense cells, or scolopidia, which transmit the movements of the membrane as impulses along the auditory nerve.1971[see scolopoid a.].1978H. V. Daly et al. Introd. Insect Biol. & Diversity vi. 107/2 Chordotonal organs are completely internal and formed by units or scolopidia consisting of three cells: a bipolar neuron, a scolopale cell, and an attachment cell.
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