title: Basic studies on Hirudo medicinalis for a space experiment. II. Behavior of Hirudo medicinalis in unnatural environments.
mesh_terms: D000054:Acceleration; D000222:Adaptation, Physiological; D000818:Animals; D001274:Atmospheric Pressure; D002245:Carbon Dioxide; D002940:Circadian Rhythm; D018504:Ecological Systems, Closed; D007865:Leeches / Q000378:metabolism / Q000502:physiology; D013026:Space Flight; D013045:Species Specificity; D013314:Stress, Mechanical; D013696:Temperature; D014732:Vibration; D014893:Weightlessness
chemical_list: D002245:Carbon Dioxide