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Related to root morphology: root apex

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.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Root morphology: The present study indicated that 150 mM NaCl treatment had the inhibited effects on total root length, root projected area, root surface area, root diameter, root volume and lateral root number (Table 2).
Lastly, we recommend that investigators working in the area of root morphology and canal configuration should employ Vertucci's classification according to its original prescription i.e.
Increase in age, male gender, abnormal root morphology (increased length, excessive bulbosity or divergent roots), sinus proximity to root apices and upper first molar are the responsible factors for OAC formation.
A number of methods have been described for phenotypic evaluation of root morphology under controlled conditions for numerous samples, as required for genetic analyses (e.g., [2-5, 35]).
Measurement of Root Morphology. Root digging was performed according to Majdi (1996) [41].
Effects of nitrogen supply on the root morphology of corn and velvetleaf.
Frequently utilized methods to study the root canal morphology are using staining solutions,1 radiographic techniques8,9 and more recently introduced cone beam computed tomography.10 CBCT is a technique that uses a specific beam to produce three dimensional images to reveal anatomic details precisely.11 The key advantages of using CBCT are that it is non- invasive and permits 3-D reconstruction of the root canals.12 Root morphology and properties of human tooth tissues differ among various ethnic populations.13 There is little scientific literature available for root morphology of various teeth in Saudi populations.
The working hypotheses of the present research were that root and leaf adaptation strategies differ between tree species and stand age affects tree structure, and leaf and root morphology. Also, based on the results of previous studies establishing that black alder had a higher survival, and better biomass and nutrient accumulation, the current work suggests this to be associated with more effective root and leaf adaptations in the reclaimed mining area, unlike silver birch and Scots pine.