ctenidium


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Related to ctenidium: ctenidia

cte·nid·i·um

 (tĭ-nĭd′ē-əm)
n. pl. cte·nid·i·a (-ē-ə) Zoology
A comblike structure, such as the respiratory apparatus of a mollusk or a row of spines in some insects.

[New Latin, from Greek kteis, kten-, comb.]
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.

ctenidium

(tɪˈnɪdɪəm)
n, pl -ia (-ɪə)
(Zoology) one of the comblike respiratory gills of molluscs
[C19: New Latin, from Greek ktenidion, diminutive of kteis comb]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ctenidium - comb-like respiratory structure serving as the gill of certain mollusks
branchia, gill - respiratory organ of aquatic animals that breathe oxygen dissolved in water
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Characteristic of the clade Caenogastropoda (previously the Order Monotocardia), Lobatus gigas have a single gill or ctenidium. The osphradium, a chemosensory organ used by gastropods to locate food, mates, and predators, is regressed in L.
Ctenidium (black arrow) anterior to spiracle (white arrow) on abdominal segment VIII (adult Frankliniella).
In terms of its external morphology there are no cephalic lappets or laterally expanded snout flanges, nor is a right post-ocular peduncle evident, and the ctenidium is monopectinate (Herbert unpubl.
Femur II sin ctenidium apical posteroventral, puede haber algunas setas presentes pero usualmente no estan tan estrechamente unidas Sarcophaga Meigen 13'.
Differential taxa of the alliance (against Filipendulo vulgaris-Helictotrichion pratensis): Anacamptis pyramidalis, Asperula cynanchica, Ctenidium molluscum, Festuca guestfalica subsp.
It scales with the size of the ctenidium and can be described using allometric equations (e.g., Vahl 1972, 1973, Meyhofer 1985, Jones et al.
Legs: Profemur without anteroventral ctenidium; posteriorly with strong posterodorsal, weak posteromedian and strong posteroventral setal rows.
Ctenidium attached dorsally along 3/4 and ventrally along 2/3 of its length; bipectinate; dorsal filaments short and triangular; left branchial chamber so small so there can hardly be water-flow of importance.