Facet Hypertrophy in a CT. The inferior articular process of a vertebra with the superior articular processes of the adjacent. lower vertebra forms a facet joint, also known as the zygapophysial joint. The facet joint is a synovial joint, as opposed to cartilaginous or fibrous joint.
Ectopic pregnancy: A pregnancy that is not in the uterus. The fertilized egg settles and grows in any location other than the inner lining of the uterus. The large majority (95%) of ectopic pregnancies occur in the Fallopian tube. However, they can occur in other locations, such as the ovary, cervix, and abdominal cavity. An ectopic pregnancy occurs in about 1 in 60 pregnancies. Most ectopic pregnancies occur in women 35 to 44 years of age.
You may never know why you have an ectopic pregnancy. One cause could be a damaged fallopian tube. It could prevent the fertilized egg from getting into your uterus, leaving it to implant in the fallopian tube or somewhere else. But you are more likely to have an ectopic pregnancy if you have any of the following: Pelvic inflammatory disease (PID) Sexually-transmitted diseases; Scarring from previous pelvic surgeries; History of ectopic pregnancy; Unsuccessful tubal ligation or tubal ligation reversal; Use of fertility drugs; Infertility treatments such as in vitro fertilization (IVF)