| 单词 | presymptomatic |
| 释义 | presymptomatic (once / 11819311 pages) adj WORD FAMILY presymptomatic USAGE EXAMPLESBlood tests, retinal scans and computerized cognitive tests are also in the running as simple screens for presymptomatic Alzheimer's. Scientific American(Jan 31, 2015) Even the existing vaccine candidates might work well in this presymptomatic phase by keeping amyloid-β, in all its forms, within manageable levels. Nature(Jul 13, 2011) Brain imaging data from presymptomatic individuals who carry presenilin 1 mutations show that plaque accumulation starts 10–20 years before clinical symptoms appear. Nature(Jul 13, 2011) adj of or relating to the early phases of a disease when accurate diagnosis is not possible because symptoms of the disease have not yet appeared Syn preclinical |
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