- siphuncle
- si·phun·cle
English syllables. 2014.
siphuncle
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Siphuncle — Si phun cle, n. [L. siphunculus, sipunculus, dim. of sipho. See {Siphon}.] (Zo[ o]l.) The tube which runs through the partitions of chambered cephalopod shells. [1913 Webster] … The Collaborative International Dictionary of English
Siphuncle — The siphuncle is a strand of tissue passing longitudinally through the shell of a cephalopod mollusk. Only cephalopods with chambered shells have siphuncles, such as the extinct ammonites and belemnites, and the living nautiluses, cuttlefish, and … Wikipedia
siphuncle — Siphon Si phon, n. [F. siphon, L. sipho, onis, fr. Gr. ??? a siphon, tube, pipe.] 1. A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a liquid can be transferred to a lower level, as from… … The Collaborative International Dictionary of English
siphuncle — ˈsīˌfəŋkel noun ( s) Etymology: New Latin siphunculus, from Latin, little pipe, diminutive of sipho, siphon siphon more at siphon 1. a. : a membranous tubular extension of the mantle which runs through the partitions of the chambers to the apex… … Useful english dictionary
siphuncle — n. [Gr. dim. siphon, tube] 1. (ARTHROPODA: Insecta) see cornicle. 2. (MOLLUSCA: Cephalopoda) A tubular vascular extension borne at the apex of the visceral hump, that runs through the outer chambers of the nautiloid shell and secretes gas into… … Dictionary of invertebrate zoology
siphuncle — siphuncular, siphunculate /suy fung kyeuh lit/, siphunculated /suy fung kyeuh lay tid/, adj. /suy fung keuhl/, n. 1. (in a nautilus) the connecting tube that passes from the end of the body through all of the septa to the innermost chamber. 2.… … Universalium
siphuncle — noun A strand of tissue passing longitudinally through the shell of a cephalopod mollusk, used primarily in emptying water from new chambers as the shell grows … Wiktionary
Ellesmerocerida — Taxobox name = Ellesmerocerida fossil range = U Cambrian Ordovician regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Ellesmerocerida ordo authority = Flower 1950 The Ellesmerocerida comprise early… … Wikipedia
Discosorida — Temporal range … Wikipedia
Nautilus — For other uses, see Nautilus (disambiguation). Nautilus Temporal range: Triassic–Present[1] … Wikipedia
