phosphatidyl
/ˌfɒsfəˈtʌɪdʌɪl/ /ˌfɒsfəˈtʌɪdɪl/ /fɒsˈfatɪdʌɪl/Biochemistry
noun
A radical derived from a phosphatidic acid by the loss of a hydrogen atom from the phosphate group. Usually attributive or a formative element in the names of esters (phospholipids) occurring in cell membranes, in which a radical formed by the loss of a hydroxyl group from the compound denoted by the second element is attached to the phosphate group, as phosphatidylinositol, phosphatidylserine, etc.
- Recorded earliest in phosphatidylserine..
Origin
1940s. From phosphatide + -yl.
- back to (or at) square one
- back-to-school
- back to the drawing board
- backtrack
- back-translation
- back up
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- backveld
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- backwards