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siphuncle
[ sahy-fuhng-kuhl ]
noun
- (in a nautilus) the connecting tube that passes from the end of the body through all of the septa to the innermost chamber.
- Entomology. an aphid cornicle.
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Other Words From
- si·phuncu·lar si·phun·cu·late [sahy-, fuhng, -ky, uh, -lit], si·phun·cu·lat·ed [sahy-, fuhng, -ky, uh, -ley-tid], adjective
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Word History and Origins
Origin of siphuncle1
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Example Sentences
It is peculiar to the louse tribe (Pediculid), and it consists of the tubulet (Tubulus), and siphuncle (Siphunculus).
From Project Gutenberg
In Ammonoids the siphuncle is always marginal, and usually external.
From Project Gutenberg
The siphuncle in the Nautilus pierces the centres of the septa, and in fossil Nautiloids it is usually central or sub-central.
From Project Gutenberg
Shell straight or slightly curved, with a simple aperture, large terminal chamber and cylindrical siphuncle.
From Project Gutenberg
Shell straight, with wide margina siphuncle, necks produced into tubes fitting into one another.
From Project Gutenberg
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