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单词 ptosis
释义

ptosis

/ˈtəʊsɪs /
noun [mass noun] Medicine
Drooping of the upper eyelid due to paralysis or disease, or as a congenital condition.The first sign frequently presents as ocular muscle weakness resulting in diploplia (double vision) and/or ptosis (drooping eyelid)....
  • Symptoms include nasal congestion, ptosis of one eyelid, miosis, and conjunctional hyperemia.
  • On physical examination, slight proptosis of the left eye and ptosis of the left upper eyelid were noted.

Derivatives

ptotic

/ˈtəʊtɪk/ adjective ...
  • Occasionally, the small volume of TRAM tissue cannot fulfill the requirements for breast symmetry, especially in those patients with limited abdominal tissue and large ptotic breasts.
  • This flap also permits large ptotic breasts to be reconstructed without recourse to breast implants.
  • In older patients, these glands may become ptotic and appear more prominent.

Origin

Mid 18th century: from Greek ptōsis, from piptein 'to fall'.

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更新时间:2024/12/23 9:10:17