Nematodes are able to cause radical changes in root cells in order to facilitate their lifestyle.

They form a secondary plasmodium that affects plant hormones to cause swelling in root cells.

More water is furnished by the root cells to the xylem.

In plants lacking the targeting signals, the compounds remained in the root cells.

The female juveniles begin feeding ectoparasitically on epidermal root cells.

Each matrix within a set has an identification number (a) and must contain a "root cell".

A root cell must be located at any corner of a matrix.

All root cells must be located at the same corner of each matrix within a single set.

Four sets may also combine so that all root cells on similar sized matrices are adjacent.

All root cells will form a central 2x2 "core" within each resultant matrix.