| Earthworms are collected by extraction using formalin or mustard solution, by digging and by handsorting. |
| Liver tumors were sampled at random and fixed in buffered formalin, and embedded sections were stained with hematoxylin and eosin. |
| Bone marrow biopsy material was acid decalcified prior to formalin fixation. |
| Also known as Zenker-formol, this is a modification of Zenker's fluid in which formalin is substituted for acetic acid. |
| The tissue specimens were fixed and preserved in formalin for histopathological evaluation. |
| The remaining tissue was submitted for fixation in buffered formalin and routinely processed. |
