Disease or Syndrome
ptosis
[ toh-sis ]
Subclass of:
Pathological Conditions, Anatomical
Etymology:
Greek ptosis = a falling
Definitions related to ptosis:
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(prolapse) A condition in which an organ or body tissue drops or bulges out of place.NCI ThesaurusU.S. National Cancer Institute, 2021
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(prolapse) A condition in which an organ or other body part drops from its normal position.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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(prolapse) Protrusion of an organ or body tissue out of it's normal anatomical position.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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(prolapse) The protrusion of an organ or part of an organ into a natural or artificial orifice.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Ptosis, drooping of the upper eyelid. The condition may be congenital or acquired and can cause significant obscuration of vision. In congenital ptosis the muscle that elevates the lid, called the levator palpebrae superioris, is usually absent or imperfectly developed. If severe and not corrected...Encyclopedia Britannica, Inc., 2020
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Prolapse, a downward protrusion of an internal organ out of its normal cavity. The term is usually applied to protrusion of the rectum or of the uterus outside the body. In either case, the prolapse follows progressive weakening of the muscles, ligaments, and other supporting tissues around the...Encyclopedia Britannica, Inc., 2020
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