单词 | ampulla of lorenzini |
释义 | > as lemmasampulla of Lorenzini ampulla of Lorenzini n. [ < the name of Stefano Lorenzini, 17th-cent. Italian physician, who described them] Ichthyol. each of numerous sensory structures in the head of some fish, esp. elasmobranchs, consisting of small sacs sensitive to electric fields and connected to the surface by narrow tubes; usu. pl. ΘΚΠ the world > animals > fish > superclass Agnatha > [noun] > class Chondrichthyes > member of > parts of rectal gland1871 ampulla of Lorenzini1898 1868 Archiv f. Mikrosk. Anat. 4 375 (heading) Die Lorenzini'schen Ampullen der Selachier.] 1898 Zool. Bull. 1 167 At its inner end each ampullary tube from the surface opens into one of the so-called ampullae of Lorenzini. 1962 K. F. Lagler et al. Ichthyol. xi. 388 The ampullae of Lorenzini..are more or less sac-like structures in the head region of sharks and rays (Elasmobranchii) and also of Plotosus, a southeast Asian catfish. 1975 Nature 31 July 425/2 We have studied the sensory epithelium of the electroreceptor (ampulla of Lorenzini) of the skate. 1975 J. Taylor Superminds vii. 112 The elasmobranchs have electrical sense organs (exotically called the ampullae of Lorenzini) seated in deep skin pores. < as lemmas |
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