ashvattha :
Morphology:
Bark
- occurs in flat or slightly
curved pieces,
- varying from 1.0-2.5 cm or
more in thickness,
- outer surface brown or ash coloured,
surface uneven due to exfoliation of cork,
- inner surface smooth and
somewhat brownish,
- fracture, fibrous, taste,
astringent.
Histology:
Transverse section of bark shows
- compressed rectangular to
cubical, thick-walled cork cells and dead elements of secondary cortex,
- consisting of masses of
stone cells,
- cork cambium distinct with 3-4 rows of
newly formed secondary cortex, mostly composed of stone cells towards
periphery,
- stone cells found
scattered in large groups, rarely isolated,
- most of parenchymatous
cells of secondary cortex contain numerous starch grains and few prismatic
crystals of calcium oxalate,
- secondary phloem a wide zone, consisting
of sieve elements, phloem fibres in singles or in groups of 2 to many and
non-lignified, numerous crystal fibres also present,
- in outer region sieve elements mostly
collapsed
- while in inner region
intact, phloem parenchyma mostly thick-walled, stone cells present in
single or in small groups similar to those in secondary cortex, a number
of ray-cells and phloem parenchyma filled with brown pigments, prismatic
crystals of calcium oxalate and starch grains present in a number of
parenchymatous cells, medullary rays uni to multiseriate, wider towards
outer periphery composed of thick-walled cells with simple pits, in
tangential section ray cells circular to oval in shape, cambium when present,
consists of 2-4 layers of thin-walled rectangular cells.
- » Classification and names of ashvattha
- » Synonyms and definitions of ashvattha
- » Drug Properties of ashvattha
- » Chemical Constituents of ashvattha
- » Standardization of ashvattha
- » Parts used and Dosage of ashvattha
- » Morphology and Histology of ashvattha
- » Distribution and Conservation of ashvattha
- » Cultivation of ashvattha
- » ashvattha in the market
- » Medicinal Uses of ashvattha
- » Researches and clinical trails of ashvattha
- » ashvattha in other sytems of medicine
- » Ayurvedic formulations with ashvattha
- » Images of ashvattha
