An apparatus for direct x-ray cinematography exemplified by analysis of some respiratory movements in Gasterosteus aculeatus.
D000818:Animals; D005399:Fishes; D006257:Head / Q000000981:diagnostic imaging*; D009040:Motion Pictures; D009068:Movement; D011827:Radiation; D011859:Radiography; D012119:Respiration; D013679:Technology, Radiologic / Q000295:instrumentation*