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 Baja California peninsula is a key feeding and developmental area for the black turtle, whose numbers on mainland Mexican nesting beaches have fallen more than 95 percent over the past three decades. In Baja, the most commonâand most commonly eatenâspecies are loggerhead and, especially, green turtles.