- 1. n. pl. The class="def-link" href="https://vividlex.com/word/lowest">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. Source: opted
- 2. The class="def-link" href="https://vividlex.com/word/lowest">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.] Source: webster
- 3. The class="def-link" href="https://vividlex.com/word/lowest">lowest class of Vertebrata, including only the Amphioxus.The heart is represented only by a simple pulsating vessel. The bloodis colorless; the brain, renal organs, and limbs are wanting, and thebackbone is represented only by a simple, unsegmented notochord. SeeAmphioxus. [Written also Leptocardii.] Source: adambom
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leptocardia
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representedsimpleamphioxusbrainclasscolorlessheartlimbslowestnotochordorganspulsatingrenalunsegmentedvertebratavesselwantingbackbonebloodseewritten
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