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 length of the Nile River is 7,088 km or 4,405 miles. It is the longest river in the world. The length of the Amazon River is 6,575 km or 4086 miles. Mississippi is the 4thâ¦ longest river of the world with length 6084 km or 3781miles.