URMC / Research / Histology Core / Histology Request Form Histology Request Form Please return answers to the questions below. Someone will be in contact with you within 1-2 business days via email. How many samples do you have to process? (Maximum 30 cassettes/order): What species are the samples?: How were they fixed? (Samples should be in 70% ethanol at time of delivery): What organ(s) is/are being processed/embedded?: Email Address: Other services: