The birefringence of fresh and fixed mouse pancreatic acinar tissue was studied, utilizing whole mounts of pancreas from which the mesentery had been removed. Fresh pancreas in Tyrode's solution demonstrated positive birefringence with respect to the radial axis (the axis radiating from the nucleus as spokes from a wheel). Formol fixation reversed the sign of birefringence to negative with resp...

Background: Limited and fixed number of ovarian follicles undergo reducing changes from birth till menopause. In cancerous patients who exposed to sterilizing treatments such as chemotherapy, follicle decrease is faster and dominant. Main fertility preservation technique for these patients is ovarian cryopreservation and transplantation. Reanastomosis between recipient site and invader tissue i...