Edge-zone sentence example

  • This fold of tissue is known as the edge-zone.
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  • In colonial corals a bud is always formed from the edge-zone, and this bud develops into a new zooid with its corallum.
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  • As growth proceeds, and parent and bud become separated farther from one another, the edge-zone forms a sheet of soft tissue, X 0 3 bridging over the space between the two, and resting upon projecting spines of the corallum.
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  • Buds arise from the edge-zone which already communicate with the cavity of the zooid by the canals.
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  • After division the corallites continue to grow upwards, and their zooids may remain united by a bridge of soft tissue or coenosarc. But in some cases, as they grow farther apart, this continuity is broken, each corallite has its own edge-zone, and internal continuity is also broken by the formation of dissepiments within each calicle, all organic connexion between the two zooids being eventually lost.
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