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 .
Glaucoma is one of the most common illnesses affecting the optic nerve. Glaucoma is caused by high intraocular pressure, or high pressure in the fluid that is inside the eye (vitreous fluid). This high pressure compresses the optic nerve and causes cells to die.It is referred to as atrophy of the optic nerve.ptic nerve. The optic nerve is located in the back of the eye. It is also called the second cranial nerve or cranial nerve II. It is the second of several pairs of cranial nerves.