1. severe acute respiratory syndrome a respiratory disease of unknown etiology that apparently originated in mainland China in 2003; characterized by fever and coughing or difficulty breathing or hypoxia; can be fatal
  2. cervical root syndrome an abnormal condition resulting from compression of spinal nerve roots in the neck region; involves neck pains and muscular weakness and paresthesia
  3. respiratory system the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
  4. Waterhouse-Friderichsen syndrome syndrome associated with bacterial meningitis
  5. respiratory center the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles
  6. respiratory distress syndrome an acute lung disease of the newborn
  7. adult respiratory distress syndrome acute lung injury characterized by coughing and rales
  8. Reiter's syndrome an inflammatory syndrome predominantly in males
  9. Asperger's syndrome a psychiatric disorder usually noted during early school years; characterized by impaired social relations and by repetitive patterns of behavior
  10. organic brain syndrome mental abnormality resulting from disturbance of the structure or function of the brain
  11. cervical disc syndrome an abnormal condition resulting from compression of spinal nerve roots in the neck region; involves neck pains and muscular weakness and paresthesia
  12. Chinese restaurant syndrome headache and tingling or burning feelings and sweating caused by eating food that contains monosodium glutamate
  13. upper respiratory tract the nose and throat and trachea
  14. lower respiratory tract the bronchi and lungs
  15. acute organic brain syndrome any disorder (as sudden confusion or disorientation) in an otherwise normal person that is due to reversible (temporary) impairment of brain tissues (as by head injuries or drugs or infection)
  16. systema respiratorium the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
  17. premenstrual syndrome a syndrome that occurs in many women from 2 to 14 days before the onset of menstruation
  18. restless legs syndrome feeling of uneasiness and restlessness in the legs after going to bed (sometimes causing insomnia); may be relieved temporarily by walking or moving the legs
  19. Tourette's syndrome neurological disorder characterized by facial grimaces and tics and movements of the upper body and grunts and shouts and coprolalia
  20. carpal tunnel syndrome a painful disorder caused by compression of a nerve in the carpal tunnel; characterized by discomfort and weakness in the hands and fingers and by sensations of tingling, burning or numbness