AtLP are conditions in which it is not possible to differentiate between the benign and the malignant nature of a given lymphoid infiltrate. The descriptive term AtLP may be used as an interim label when morphologic and molecular features are not sufficient to render a positive diagnosis of lymphoma.
Great Barrier Reef. Sitting off the east coast of Australia, the Great Barrier Reef is the worldâs largest coral reef system, covering more than 344 000 sq km. The reefâs diversity of life faces numerous threats such as climate change, pollution, fishing and outbreaks of the coral-preying crown-of-thorns starfish.
The Worldâs 10 Largest Coral Reefs. Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. These corals are unable to move and clusters with other corals so they form colonies. Coral reefs vary in size, type and location and they are very sensitive organisms. They want clear and hot waters.