Edge-zone sentence example
- This fold of tissue is known as the edge-zone.
- In colonial corals a bud is always formed from the edge-zone, and this bud develops into a new zooid with its corallum.
- 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.
- Buds arise from the edge-zone which already communicate with the cavity of the zooid by the canals.
- 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.Advertisement