stele
central cylinder of united vascular bundles in the roots and stems of dicotyledonous seed plants
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
stele
The central vascular cylinder in roots where xylem and phloem are located.
stem ...
stele. The central cylinder inside the cortex of the roots and stems of vascular plants; contains the vascular or conducting tissue.
stele
The central vascular cylinder in roots where xylem and phloem are located.
See also: Stele (biology)
Stem usually consist of three tissues, dermal tissue, ground tissue and vascular tissue. The dermal tissue covers the outer surface of the stem and usually functions to waterproof, protect and control gas exchange.
Once inside the stele, water is again free to move between cells as well as through them. In young roots, water enters directly into the xylem vessels and/or tracheids [link to views of the structure of vessels and tracheids].
1. The slender, smooth stem of an arrow; hence, an arrow. His sleep, his meat, his drink, is him bereft, That lean he wax, and dry as is a shaft. (Chaucer) A shaft hath three principal parts, the stele [stale], the feathers, and the head. (Ascham) ...
 See also: Plant, Trans, Cells, Tissue, Roots
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