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 .
What are optic nerve drusen? The optic nerve is the physical connection between the eye and the brain. All the visual information taken in by the eye is transmitted to the brain along the optic nerve. Optic nerve drusen are abnormal globular collections of protein and calcium salts which accumulate in the optic nerve.