Ptosis () refers to droopiness or abnormal downward displacement of a body part or organ.

Medicine Ptosis (eyelid) Ptosis (chin) Ptosis (breasts) Visceroptosis, of the abdominal viscera Gastroptosis, of the stomach Nephroptosis, of the kidney

Other The Fall of Satan

See also Prolapse, a condition in which organs fall down or slip out of place Proptosis, or Exophthalmos