using a specific antibody against each of the 4 catecholamine-synthesizing enzymes , dopamine or serotonin , we compared the localization of these substances in rat and mouse spinal cord with two kinds of fixative , such as paraformaldehyde and glutaraldehyde , and two types of sectioning technique , i.e . cryostat and microslicer .
C0007412
catecholamine
C0013030
dopamine