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Definition of Siphuncle
1. n. The tube which runs through the partitions of chambered cephalopod shells.
Definition of Siphuncle
1. 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. ¹
¹ Source: wiktionary.com
Medical Definition of Siphuncle
1.