fam bum ( synonym found)
Definition of fam bum:

°A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.
°(obsolete) One of the humours formerly believed to nourish the bodily organs.
Definition of fam bum:

°A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.
°(obsolete) One of the humours formerly believed to nourish the bodily organs.
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