The pollen of rye (Secale cereale) was shown to contain a biologically highly active family of glycosides called the secalosides. Secalosides A and B (1), both of molecular formula C46H51-NO24, were found to be epimeric esters of (2-oxo-3-indolyl)acetic acid (4). They are made up, in addition to
Histopathological aspects with relative classification criteria and anatomoclinical features are examined in a review of Hodgkin's disease. The major classifications proposed are reported and discussed, mention being made of that of Jackson and Parker going back to 1944 (paragranuloma, granuloma and