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.
was one of the largest theropod dinosaurs and lived 112 to 97 million years ago in the Cretaceous period. The exact size of this prehistoric behemoth is under debate but recent finds and studies have suggested that Spinosaurus reached a length of 41-59 ft and weighed as much as 20 tons. It had an unusual appearance and is famous for the long, distinctive spines along its back.