Chorionin is a chemical compound that plays a crucial role in the biosynthesis of riboflavin. It is pronounced /kɔːrɪoʊnɪn/ and spelled with the first syllable "chorio" representing a combining form for the chorion, the outermost layer of the fetal membrane. The second syllable "-nin" represents the ending "-ine" which is commonly used to represent a compound or a group in organic chemistry. The correct spelling of this word is essential to ensure accurate communication and understanding in scientific discussions.
An organic extract from the placenta of the sheep, having alleged galactogogue properties.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.