Page 132 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D

Cannabis II

14- Part of the epidermis of the stem (s.ep.) in surface view with an attached warty-walled covering
trichome. fr

15- Laticiferous tissue (l.v.) from the stem in longitudinal view, with associated vessels and parenchyma
containing cluster crystals of calcium.

16- Part of a group of pericyclic fibres from the stem with associated parenchyma containing cluster crystals
of calcium oxalate.

17- Cluster crystals of calcium oxalate.
18- Pith from the stem in longitudinal view showing pitted parenchyma (p.p.) and large clusters of calcium

oxalate.
19- Elongated parenchyma of the perigone.
20- Annularly and reticulately thickened vessels from the stem.
21- Sclerenchymatous layer of the pericarp in surface view, from above.
22- Covering trichomes, one warty-walled and containing a cystolith (cy).
23- Fragments of multicellular, multiseriate glandular trichomes.
24- Sinuous-walled parenchyma of the perigone.
25- Polygonal, straight-walled parenchyma of the perigone.
26- Sclerenchymatous layer of the pericarp in surface view from below.

95