The cytochemical localization of phospholipase A and lysophospholipase in blastospores and hyphae of Candida albicans is described. The possible role of these fungal enzymesln theinvasion of the chick embryonic membrane is discussed.

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Effect of fixation on X-acetyl-13-giucosaminidaac activity of rat liver Fixative (21) hr. 4'C) Residual Enzyme ((7. Additions t ll actix4ty of fresh tissue) Fornial dchvde (Neutral 4

A spectrophotometric method for the estimation of N-acetyl-,B-glucosaminidase in serum has been devised. Sera from normal adult males and females showed similar levels of activity.The activity in serum rose progressively during pregnancy and fell rapidly after parturition to normal levels. This change resembled closely that which occurs in serum ,B-glucuronidase.Placenta showed a moderate and chorion a high level of N-acetyl-,-glucosaminidase. High N-acetyl-p-glucosaminidase activity was demonstrated histochemically in decidual cells.