pro·to·stele 
(prōtə-stēl′, prō′tə-stēlē)
(prōtə-stēl′, prō′tə-stēlē)n.
Botany
Botany
A stele that forms a solid core of xylem encased by phloem.
pro′to·stelic (-stēlĭk) adj.
- externalization
- externalize
- externally
- external phase
- external respiration
- externe
- externship
- exteroceptive
- exteroceptor
- exterritorial
- exterritoriality
- exterritorially
- extinct
- extinction
- extinctive
- extinguish
- Wilhelm I
- Wilhelm II
- Wilhelmina
- Wilhelmshaven
- wilily
- wiliness
- Wilkes
- Wilkes-Barre
- Wilkes Land