Angela, I don't know if there is a consensus, but one lab I know used a piece of appendix.
It's a good idea because there is a fair amount of material left over from surgical samples available for use. There are also epithelial cells, muscle tissue, and some lymphoid cells represented.
You could also combine a few different tissue types together in a block and use that.
Teri Johnson, HT(ASCP)QIHC
Managing Director Histology Facility
Stowers Institute for Medical Research
1000 E. 50th St.
Kansas City, MO 64110
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