The presence of a periodic acid-Schiff's (PAS) substance at the micropylar portion of the ovules of Paspalum orbiculare and three other species of Paspalum has been revealed by improved cytological ...
IT has been shown 1 that when 1,4 polysaccharides, such as starch or cellulose, are treated with periodic acid solution, the carbon chain in each sugar unit is ruptured between carbon atoms 2 and 3, ...
HAMMAR 1 first described cells, laden with fat granules, in the thymus cortex of ageing humans. More recently, a detailed description of the histo-chemical reactions of these cells in the mouse thymus ...
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