释义 |
root nodule
root nodule n (Botany) a swelling on the root of a leguminous plant, such as the pea or clover, that contains bacteria of the genus Rhizobium, capable of nitrogen fixation
root nodule
root nodule[′rüt ′näj‚ül] (plant pathology) An abnormal nodular growth on a plant root system caused by the establishment of symbiotic nitrogen-fixing bacteria in the host tissue. MedicalSeenodule |