Leptocardii

Leptocardii
Leptocardia Lep`to*car"di*a (l[e^]p`t[-o]*k[aum]r"d[i^]*[.a]), n. pl. [NL., fr. Gr. lepto`s small + kardi`a the heart.] (Zo["o]l.) The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See {Amphioxus}. [Written also {Leptocardii}.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Leptocardia — Lep to*car di*a (l[e^]p t[ o]*k[aum]r d[i^]*[.a]), n. pl. [NL., fr. Gr. lepto s small + kardi a the heart.] (Zo[ o]l.) The lowest class of Vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The… …   The Collaborative International Dictionary of English

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