lanosterol

American  

[luh-nos-tuh-rawl, -rol] / ləˈnɒs təˌrɔl, -ˌrɒl /

noun

Biochemistry.

1. a sterol, C 30 H 50 O, formed from squalene epoxide, that is a precursor in the biosynthesis of cholesterol and is a component of lanolin.

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Etymology

Origin of lanosterol

First recorded in 1925–30; lano(lin) + sterol

Example Sentences

In sediments that formed 1.64 billion years ago, they found chemicals that matched the derivatives of lanosterol and cycloartenol.

From Science Magazine • Jun. 7, 2023

First, they synthesized protosteroids called lanosterol, cycloartenol, and 24-methylene cycloartenol in the lab.

From Science Magazine • Jun. 7, 2023

KGB: Earwax is a mixture of viscous secretions like squalene, lanosterol, and cholesterol.

From Time Magazine Archive