root

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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

References in periodicals archive ?
Eighty freshly extracted human mandibular premolar teeth that fulfilled following criteria were selected: single straight root, fully formed apex, no resorption, and no calcified root canals. The canal curvatures, which were determined according to Schneider's method, were less than 10[degrees] (12).
Moreover, the limitations to the use of intraradicular posts, such as calcified root canals, narrow canals, or a fracture of an instrument, have led dentists to think of other alternatives, as the use of endocrowns, an adhesive endodontic crown [5, 6].
Na-OCl (2.5%) was used as an irrigation solution while in calcified root canals Rc-Prep paste (Premier Dental Products Comp.