Page 47 - Practical handout Lev 1-Pharm D- 2024-2025-with spec
P. 47
Pharm D Level 1 Medicinal plants (PG 101)
Old Dicot Stem
Characters
1- Presence of periderm as protective layer & Presence of (M.R) with equal
size
2- Presence of annular ring three annular ring= (with three years old)
3-Presence of small pith
ld dicot stem
enticel
Cor phellem
Cor cambium
phellogen
Phelloderm
ry
phloem
Medullary rays
Vascular cambium
ry
ylem
nnual ring
pith
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