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.
By Mike Morgan. The soft-shelled turtles are some of the most recognized turtles in the world, and arguably some of the most unique. Their pancake-like appearance, the lack of bony scutes on their shells, and their snorkel-like neck and head distinguish them from most other turtles.