Page 131 - Pharmacognosy 2 PG303

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

Cannabis I

1- Upper epidermis of a bract in surface view showing faint cuticular striations, a small glandular trichomes, and part
of the underlying palisade (pal.) with some of the cells containing crystals of calcium oxalate.

2- A multicellular, multiseriate glandular trichomes.
3- Lower epidermis of a bract in surface view showing anomocytic stomata, a small glandular (g.tr.) and a sessile

gland (s.g.). calcium oxalate crystals in the palisade.
4- Covering, non-cystolithic trichomes.
5- Part of a stigma showing papillae.
6- Upper epidermis of a bract in surface view showing covering trichomes containing cystoliths (cy.) and part of the

underlying palisade.
7- Detached heads from the multicellular glandular trichomes.
8- Small glandular trichomes.
9- Part of a papilla from a stigma.
10- Lower epidermis of a bracteole in surface view showing anomocytic stomata, covering non-cystolithic trichomes

(c. tr.) and cluster crystals of calcium oxalate in the underlying mesophyll.
11- Part of a bract in sectional view showing calcium oxalate clusters in the palisade.
12- A multicellular, multiseriate glandular trichomes attached to an epidermis.
13- Upper epidermis of a bracteole in surface view showing beaded walls and cluster crystals of calcium oxalate in

the underlying mesophyll.

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