A scotoma is a strange name for a common problem. A scotoma, pleural is scotomata, is an area of diminished or absent vision that is surrounded by an area of normal or near normal vision.It comes from the Greek work for darkness. scotoma is a strange name for a common problem. A scotoma, pleural is scotomata, is an area of diminished or absent vision that is surrounded by an area of normal or near normal vision. It comes from the Greek work for darkness.
Spinosaurus (meaning spine lizard) is a genus of theropod dinosaur that lived in what now is North Africa, during the lower Albian to lower Cenomanian stages of the Cretaceous period, about 112 to 97 million years ago.
In the desert sands of Morocco, scientists found fossils of a colossal Mesozoic killing machine that patrolled ancient river systems and devoured huge prey. Most Popular. The sail-backed predator Spinosaurus is not only the biggest meat-eating dinosaur known, larger than T. rex. According to new research, it may also be the earliest known dinosaur to swim. A new study in Science says that Spinosaurus probably hunted in rivers with its sail rising from the water like the dorsal fin of the great white shark.