they have got a root nodule
Root nodules with bacteria are found fairly easily on legumes like beans, peas, clover, soy and peanut as well as on alder trees. Some plants have scarce nodule development and others have dense clusters.
Legume plant. Root nodules are formed on the roots of legume plants through a symbiotic relationship with nitrogen-fixing bacteria. These nodules house the bacteria that convert atmospheric nitrogen into a form that the plant can use for growth.
The root and shoot system are the two organ system of plants
Only a doctor can order the tests to determine if any thyroid nodule is dangerous. A thyroid uptake scan will help your doctor determine if your thyroid is hot (active) or cold (inactive).
A singer's nodule, also known as a screamer's nodule or a teacher's nodule, is a small, inflammatory or fibrous growth on the vocal cords. It typically occurs in people who constantly strain their voices.
the radish plants root system is a fleshy root.
James Matthew Vincent has written: 'A manual for the practical study of the root-nodule bacteria' -- subject(s): Rhizobia
Plants absorb water, nutrients, and minerals through their root systems.
A benign fatty yellowish nodule is called a tumor.
Root Surface
Like all other plants' root the function of watermelon root is absorption and anchorage. Watermelon plants have week stem hence these are creepers on the ground.
There's blood supply inside of it not just leading to it