The term ectopic pregnancy frequently refers to a pregnancy that has occurred in one of the fallopian tubes, instead of the uterus. This is the case about 95 percent of the time, but ectopic pregnancies can also be abdominal, ovarian, cornual, or cervical.
Each cranial nerve is paired and is present on both sides. Depending on definition in humans there are twelve or thirteen cranial nerves pairs, which are assigned Roman numerals IâXII, sometimes also including cranial nerve zero. The numbering of the cranial nerves is based on the order in which they emerge from the brain, front to back .
The optic nerve is a motor nerve that connects the retina of the eye with the brain. This nerve penetrates the choroid and the sclera from the rear of the eye at the optic disc where it is met with the other optic nerve to form the optic chiasma.he eye consists of three layers of tissue which make up the wall of the eye. The sclera is the outermost layer of tissue, also called the white of the eye.