SacrumChordomaBoswelliaSpinal NeoplasmsTelomere ShorteningTelomereSacroiliac JointGiant Cell Tumor of BonePelvisSpacecraftLordosisPelvic BonesRNA, UntranslatedResins, PlantIliumCoccyx2-PropanolLumbar VertebraeRNA, NuclearHeterochromatinInfusions, IntraosseousLumbosacral RegionLumbosacral PlexusSpinal FusionFractures, StressIschiumMarsRepetitive Sequences, Nucleic AcidPolyradiculopathySacrococcygeal RegionOils, VolatileScoliosisExtraterrestrial EnvironmentSpinal FracturesSpineCauda EquinaCoiled BodiesBone ScrewsBone NeoplasmsHeterogeneous-Nuclear Ribonucleoprotein Group A-B