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ctenidial axis

A Dictionary of Zoology | 1999 | 256 words | Copyright

ctenidial axis The junction of an inner and outer demibranch in molluscan demibranchiate gills. Two V-shaped demibranchs are joined to form a W-shaped gill. Gills of other shapes that are symmetrical about an axis may also be said to have a ctenidial axis.

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