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How terms are used or the meaning of words as used in scientific literature. Questions should ideally include a link or quote as context for where the term was encountered.

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What does the acronym ‘PIN’ stand for referring to PIN proteins in plants?

It is not an acronym; it is an abbreviation of pinnulate (or pinnulated), which means having the pinnulae of a pinnate leaf properly developed. Gene symbols written in all caps indicate the wild-type …
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