noun, Cell Biology. 1. a network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
The most widely distributed of all sea turtles; found in the Gulf of Alaska and south of the Bering Sea in the northeastern Pacific to Chile in the southeastern Pacific. In the Barents Sea, Newfoundland and Labrador in the North Atlantic; around Argentina and South Africa in the South Atlantic.
The Heaviest Living Reptiles In The World. The Saltwater Crocodile Is The Largest Living Reptile On Earth Followed Closely By The Nile And Orinoco Crocodile. A Saltwater Crocodile along the water's edge in Queensland, Australia, one of the further south regions of the species' habitat range.