Transcontinental railroads in and near the United States (1887). A transcontinental railroad is a contiguous network of railroad trackage that crosses a continental land mass with terminals at different oceans or continental borders.
Normal cervical range of motion is. 1  Flexion â 80 to 90 degrees. 2  Extension â 70 degrees. 3  Lateral flexion â 20 to 45 degrees on both sides.  Rotation â 90Â° of rotation to both sides.
Women's Health. Cervical erosion (or ectropion) is a normal condition that occurs when the squamous epithelial cells grow out of the cervix and form an inflamed area that looks eroded and infected. This condition sounds scarier than it actually is. Despite its name, your cervix is not actually eroding.