As an adjective histochemical
is of or pertaining to histochemistry.
As a noun zymogram is
(biochemistry|genetics) a strip of electrophoretic material on which enzymes are visibly separated through histochemical methods (eg by zone electrophoresis).
zymogram
English
Noun
(
en noun)
(biochemistry, genetics) A strip of electrophoretic material on which enzymes are visibly separated through histochemical methods (eg by zone electrophoresis).