MRI of extensive clival chordoma in 17-year-old male patient, sagittal view. Tumor in the nasopharynx extending from nasal cavity to brainstem posteriorly is clearly visible. Chordomas can arise from bone in the skull base and anywhere along the spine.
; Hello, Kai-Lan) is an American children's television series which premiered on Nickelodeon on November 5, 2007, and on Noggin (now Nick Jr. ) on December 15, 2008.
Overview. One of the earliest shooting games, Space Invaders was released by Taito in Japan on June 19, 1978. Gameplay involves attempting to defeat waves of aliens cascading down from the top of the screen with a laser cannon that moves along a fixed horizontal axis. The only goal is to earn as many points as possible.