Graduate Pharmacy Aptitude Test (GPAT) 2007 Solved Paper

Question : 22 of 85

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Cinnamon consists of the dried inner bark of the shoots of coppiced tree of Cinnamomum zeylanicum Nees. The typical microscopic charaters of the bark are

Biseriate medullary rays, secretory cavities containing volatile oil and mucilage and few starch grains in cortical parenchyma and calcium oxalate in parenchymatous cells.
2-5 layers of cork cells containing oil globules. Presence of schizogenous canal
Medullary rays multiseriate, the periderm portion cork has both tangentially and radially elongated cells, stone cells present and no phloem fibers
Ex-foliated cork, non-lignified with 2-4 layers of phellogens. 15-20 rows of phelloderm.Prominent vascular tissue.

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