The reflex pathway consists of retinal ganglion cells, which convey information from the photoreceptors to the optic nerve which connects to the pretectal nucleus of the high midbrain. It bypasses the lateralgeniculate nucleus and the primary visual cortex.
The River Nile is about 6,670 km (4,160 miles) in length and is the longest river in Africa and in the world. Although it is generally associated with Egypt, only 22% of the Nileâs course runs through Egypt.
The River Nile is about 6,695 km (4,160 miles) in length and is the longest river in Africa and in the world. The river begins in the mountains of Africa and flows north to the Mediterranean Sea. It was by the banks that one of the oldest civilizations in the world began.