S. No Step Medium Type
1 Fixation 10% formal saline 12 hours
2 Dehydration Acetone 3 changes at intervals of 2 hours
3 Clearing Benzene 3 changes at intervals of 2 hours
4 Wax embedding Paraffin wax at 56oC Two changes in molten wax at its melting point were given at time intervals of 1½ hrs. & 1 hr respectively
Table 2: Manual processing of tissues.