radula


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rad·u·la

 (răj′o͝o-lə)
n. pl. rad·u·lae (-lē′)
A flexible tonguelike organ found in most mollusks, having rows of horny teeth on the surface and used in feeding for scraping or cutting.

[Latin rādula, scraper, from rādere, to scrape; see rēd- in Indo-European roots.]

rad′u·lar adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

radula

(ˈrædjʊlə)
n, pl -lae (-ˌliː)
(Zoology) a horny tooth-bearing strip on the tongue of molluscs that is used for rasping food
[C19: from Late Latin: a scraping iron, from Latin rādere to scrape]
ˈradular adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

rad•u•la

(ˈrædʒ ʊ lə)

n., pl. -lae (-ˌli)
a tonguelike band in the mouth of most gastropods, set with rows of teeth.
[1745–55; < New Latin rādula; Latin: scraper =rād(ere) to scrape, rub + -ula -ule]
rad′u•lar, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
I did my Biology at University College,--getting out the ovary of the earthworm and the radula of the snail, and all that.
festiva Hubrecht, 1888, including radula morphology, ventrolateral foregut glands, and descriptions and illustrations of the reproductive system.
Los dos ejemplares seleccionados para las observaciones de la radula, los elementos del cinturon y la micro topografia del tegumento, se prepararon utilizando el metodo descrito en Bullock (1985).
Much of the work conducted in this and other molluscan systems has focused on motor systems, especially motoneurons controlling the buccal feeding apparatus and radula (Murphy, 2001; Elliott and Susswein, 2002; Wentzell et al, 2009).
1996), the efficiency of the radula (Daume & Ryan 2004, Johnston et al.
The central tooth of the radula is tricuspid or unicuspid.
McLean (1981, 1982), however, identified certain lineages within these subfamilies that shared distinctive features of the shell, radula and epipodium.
Larvae had 8 rows of chitinized radula teeth at the commencement of bioassays.
The species possesses a relatively large file-like radula that appears to be used for scraping the very fine bone fragments found in its guts.
They are primitive prosobranchs with radula modified for herbivory (Brusca and Brusca 1990) and possess a single snail-like shell.