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单词 ptosis
释义

Definition of ptosis in English:

ptosis

noun ˈtəʊsɪsˈtoʊsəs
mass nounMedicine
  • Drooping of the upper eyelid due to paralysis or disease, or as a congenital condition.

    Example sentencesExamples
    • The first sign frequently presents as ocular muscle weakness resulting in diploplia (double vision) and/or ptosis (drooping eyelid).
    • Symptoms range from isolated ptosis, diplopia or mild proximal muscle weakness to severe generalized weakness.
    • Symptoms include nasal congestion, ptosis of one eyelid, miosis, and conjunctional hyperemia.
    • Problems from inexpert use are droopy eyelid - a condition called ptosis - or a near-frozen forehead, a lop-sided mouth or drooling.
    • On physical examination, slight proptosis of the left eye and ptosis of the left upper eyelid were noted.

Derivatives

  • ptotic

  • adjectiveˈtəʊtɪk
    Medicine
    • This flap also permits large ptotic breasts to be reconstructed without recourse to breast implants.
      Example sentencesExamples
      • In older patients, these glands may become ptotic and appear more prominent.
      • 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.

Origin

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

 
 

Definition of ptosis in US English:

ptosis

nounˈtōsəsˈtoʊsəs
Medicine
  • Drooping of the upper eyelid due to paralysis or disease, or as a congenital condition.

    Example sentencesExamples
    • Symptoms range from isolated ptosis, diplopia or mild proximal muscle weakness to severe generalized weakness.
    • Problems from inexpert use are droopy eyelid - a condition called ptosis - or a near-frozen forehead, a lop-sided mouth or drooling.
    • The first sign frequently presents as ocular muscle weakness resulting in diploplia (double vision) and/or ptosis (drooping eyelid).
    • On physical examination, slight proptosis of the left eye and ptosis of the left upper eyelid were noted.
    • Symptoms include nasal congestion, ptosis of one eyelid, miosis, and conjunctional hyperemia.

Origin

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

 
 
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更新时间:2024/9/20 20:02:06