More and more we seem to be accepting that a few hours in formalin attains fixation. After 6 hours it may be wet, but not fixed.
If there is no hurry, give it a few days. Formalin is *not* a quick fixative.

Terry L Marshall B.A.(Law), M.B.Ch.B., F.R.C.Path
Consultant Histopathologist
Rotherham General Hospital, Yorkshire
terry.marshall@rothgen.nhs.uk

-----Original Message-----
From: Martin, Ronald [mailto:Ronald.Martin@umassmed.edu]
Sent: 06 January 2003 16:26
To: histonet@pathology.swmed.edu
Subject: mouse pituitary fixation time


Techs,
How long should I formalin fix a mouse pituitary for? 6 hours ?12 hours?
Thanks,
Ron Martin
Research Associate