from The Century Dictionary.
- noun In zoology, the mesodermic tissue which fills out the space between the gut and the external epithelium in the body of a tunicate.
- noun In gnosticism, same as
- noun In botany, the cylinder or shaft of nascent fibrovascular elements at the growing-points of the axis of plants.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) The central column of parenchyma in a growing stem or root.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany The
central columnof parenchymain a growing stemor root.
from Wiktionary, Creative Commons Attribution/Share-Alike License
The rest of the root shows the same division of the tissues into the primary epidermis (dermatogen) (_d_), young fibro-vascular cylinder (plerome) (_pl. _), and young ground tissue
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Douglas Houghton Campbell