The document discusses the anatomy of dicot roots. It describes a cross section of a dicot root showing the different tissues including the epidermis, cortex, endodermis, pericycle, vascular bundles, and pith. It notes that in dicot roots, the primary xylem is exarch, meaning the protoxylem lies towards the periphery and the metaxylem lies towards the pith.

1. DR. DILIP V. HANDE
PROFESSOR
DEPT OF BOTANY
SHRI SHIVAJI SCIENCE COLLEGE AMRAVATI
SEM- III

2. Anatomy of Dicot Roots
B. Sc. II

5. Enlarged view of cross section of
Dicot root
⚫ Anatomy

12. pith)

15. Endarch: The protoxylem lies towards the
pith in stem and the metaxylem lies towards
the periphery. This type of primary xylem is
called endarch.
Exarch: The protoxylem lies towards the
periphery in roots and the metaxylem lies
towards the pith. This type of primary xylem
is called exarch.

17. THANKS