amyloid

noun

am·​y·​loid ˈa-mə-ˌlȯid 

: a waxy translucent substance consisting primarily of protein that is deposited in some animal organs and tissues under abnormal conditions (such as Alzheimer's disease) compare beta-amyloid

amyloid adjective

Examples of amyloid in a Sentence

Recent Examples on the Web

That means patients must undergo a PET scan or a spinal fluid test to determine if amyloid has accumulated in their brains. —Annika Kim Constantino, CNBC, 8 Sep. 2024

Additionally, animal studies show promise in mitigating Alzheimer’s symptoms and reducing amyloid in the brain. —Allison Futterman, Discover Magazine, 14 Aug. 2024

The second phase will compare different combinations of drugs to evaluate what best prevents amyloid plaque accumulation and other biological and clinical markers of Alzheimer's. —Lauren De Young, The Arizona Republic, 16 Nov. 2024

Patients typically prefer PET scans, which are painless, for detecting amyloid, according to Scott. —Annika Kim Constantino, CNBC, 8 Sep. 2024

Word History

First Known Use

1866, in the meaning defined above

Phrases Containing amyloid

• amyloid beta
• amyloid beta peptide
• amyloid beta protein
• beta-amyloid
• beta-amyloid peptide
• beta-amyloid protein

Medical Definition

amyloid

noun

am·​y·​loid

ˈam-ə-ˌlȯid

1

: a nonnitrogenous starchy food

2

: a waxy translucent substance consisting primarily of protein that is deposited in some animal organs and tissue under abnormal conditions (as in Alzheimer's disease) see beta-amyloid

amyloid adjective