At right is a section of mouse spleen damaged by rough handling. Many of the cells are distorted beyond recognition. There are many fixatives and many considerations in their use. For routine paraffin ...

This doesn't mean we have to give up homemade jams. They can be made without sugar or gel fixatives. You just need to know a ...

This doesn't mean we have to give up homemade jams. They can be made without sugar or gel fixatives; you just need to know a ...