after stoichiometric feulgen and azure b staining of brain sections , scanning-integrating microdensitometry was used to quantify feulgen-deoxyribonucleic acid levels , changes in the susceptibility of chromatin to feulgen acid hydrolysis ( f-dna yield ) and azure b-ribonucleic acid ( rna ) content of neurons on an individual basis .
C0006104
brain
C0423896
content