title: Ptosis
text: # Ptosis
  
  Ptosis (from the Greek: πτῶσις 'falling', 'a fall', 'dropped') refers to droopiness or abnormal downward displacement of a body part or organ. Particular cases include:
  
  * Ptosis (eyelid)
  * Ptosis (chin)
  * Ptosis (breasts)
  * Visceroptosis, of the abdominal viscera
     * Gastroptosis, of the stomach
  * Nephroptosis, of the kidney
  