diameter at root collar

diameter of root

Diameter of Root Canal

root collar diameter

Root root estimator

Radix Stemonae Sessile Stemona Root/Japanese Stemona Root/Tuber Stemona Root Baibu

(1)arnebia root (2)gromwell root

root face [= root shoulder]

root gap [= root opening]

root-mean-square speed (=root-mean-speed)

soil of root-zone and non root-zoon

Rhizoma et Radix Dysosmatis Common Dysosmatis Rhizome and Root / Sixangular Dysosmatis Rhizome and Root Bajiaolian

ratio of diameter of labyrinth passage to diameter of particle

2(m)-root identification scheme

a root-mean-square error

abducent nerve root

absorbing root

absorption area of root system

absorptive air-root