Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A comblike structure, such as the respiratory apparatus of a mollusk or a row of spines in some insects.
from The Century Dictionary.
- noun One of the gill-combs, gill-plumes, or primitive branchial organs of mollusks; the respiratory organ of a mollusk in a generalized Stage of development.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology A
respiratory system, in the form of acomb , in somemolluscs - noun zoology A row of
spines in someinsects
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun comb-like respiratory structure serving as the gill of certain mollusks
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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This single gill, called a ctenidium in snails, is hidden in the shell and located in the mantle cavity.
Mollusca 2007
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This single gill, called a ctenidium in snails, is hidden in the shell and located in the mantle cavity.
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But, apparently, it can also survive for considerable periods in water, which is not surprising, because it still maintains a vestigial gill ctenidium in its mantle cavity.
Pomatiopsis lapidaria AYDIN 2008
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They constitute the ctenidium or the gill of Truncatella caribaeensis.
Dissection of Truncatella caribaeensis AYDIN 2008
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They constitute the ctenidium or the gill of Truncatella caribaeensis.
Archive 2008-05-01 AYDIN 2008
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But, apparently, it can also survive for considerable periods in water, which is not surprising, because it still maintains a vestigial gill ctenidium in its mantle cavity.
Archive 2008-07-01 AYDIN 2008
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The snail extends it out of its shell to suck in water, which flows past the gill ctenidium in the left side of the mantle cavity, exchanges its oxygen with carbon dioxide, and then comes out the right side.
Melongena's siphon AYDIN 2007
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Partially unrolled siphon si of the marine gastropod Buccanum undatum. ct, ctenidium; me, mantle edge.
Archive 2007-04-01 AYDIN 2007
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The snail extends it out of its shell to suck in water, which flows past the gill ctenidium in the left side of the mantle cavity, exchanges its oxygen with carbon dioxide, and then comes out the right side.
Archive 2007-04-01 AYDIN 2007
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Partially unrolled siphon si of the marine gastropod Buccanum undatum. ct, ctenidium; me, mantle edge.
Melongena's siphon AYDIN 2007
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