27. Which are the plant
tissues that form the plant
roots?

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The roots have a portion called
medulla made vascular tissue (inner
xylem outer phloem). The medulla
surrounded by the medullary
and delimited by pericycle,
meristem that originates the
roots (ramifications).
Externally to medulla lies the
cortical formed of endodermis
(that the pericycle) and
cortical . The covering of
the epidermis (with root hairs)
substituted by suberized (corky)
.