at ph 9.2-9.5 enzyme activity was demonstrated at many sites such as intestinal , uterine , placental , renal and epididymal microvillous zones , plasma membranes of arterial , sinus and capillary endothelial cells , vaginal and urethral epithelium , smooth muscle cells , myoepithelial cells as well as excretory duct cells of salivary and lacrimal glands and in secretory granules of laryngeal glands .
C0007634
cells
C0886515
secretory granules