Histology Our histology team is well equipped to produce any tissue sections needed for analysis. We offer in-house embedding/sectioning in paraffin, cryogenic mediums, or plastic. Contact us today to learn how we can help with your histology needs. Paraffin section stained with H&E Plastic section stained with Toluidine blue IHC co-labeling on Retinal Flatmounts Vascular labeling