root apex

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apex

 [a´peks] (pl. apexes, a´pices) (L.)
the pointed end of a cone-shaped part. adj., adj ap´ical.
apex of lung the rounded upper extremity of either lung.
root apex the terminal end of the root of the tooth.

root a·pex

[TA]
the tip of a tooth root, that part farthest from the incisal or occlusal side.

root apex

The end of the root of a tooth. The anatomical landmark in the apical region is the apical foramen.
See also: apex

root a·pex

(rūt āpeks) [TA]
Conic tip of tooth root, that part farthest from incisal or occlusal side.
Synonym(s): apex radicis dentis, root tip.
References in periodicals archive ?
salicina develop several layers of suberised cells behind the root tip (Steudle 2000), which makes them less susceptible to cell deformation with increasing soil strength, and this allows them to maintain a greater relative root elongation rate (Lipiec et al.
You could divide the halves again, to make four plants, just make sure you have some growing material in each clump - a root tip, bud or piece of rhizome.
The study of calcium ion and pH oscillation in both pollen tubes and root hairs has led to a greater understanding of what regulates root tip growth.
Follow the feeling all the way down to its historical root tip.
In brief, root tip sections were examined within 4 to 6 h after preparation.
I transplanted them as seedlings and simply didn't make the planting holes deep enough so the root tip has encountered compacted soil and literally done a u-turn.
Moreover, root tip cells of Allium cepa can be used as toxicity markers by evaluating several morphological and cytogenetic factors, such as root morphology and growth, mitotic index determination, and the induction of micronuclei and aberrant metaphases and anaphases [6,10]
Pulverized magnetite ore, when charged or magnetized using standard means, can empower root tip cells to push deeper into the soil.
The first activity, "Preparing and Observing Onion Root Tip Slides," requires the instructor to grow onion root tips approximately 48 hours before the lesson.
Under these conditions, SbMATE is most highly expressed in the first centimeter of the root tip, which allows for protection of the root tip from aluminum.
Organic anions at root tip and mature root surfaces were detected with the anion exchange membrane technique (Fig.
Note that we should not cut every branch back a little or the communication between root tip and branch buds will be lost.