Table 2. Effects of ferulic acid and icariin on the pathological changes of mammary glands of rats in each group (n=10).

Group	Grade I (number)	Grade II (number)	Grade III (number)	Grade IV (number)
Control	9	1	0	0
Model	0	0	2	8
TMXF	1	7	1	1
RPX	1	8	1	0
FA	0	6	4	0
ICA	0	5	5	0
FA + ICA	1	5	4	0
Classification description	The number of acini was little; the vessel was not dilated; and the tissue structure was clear	The number of acini was augmented; the vessel was occasionally dilated; and the tissue structure was not clear compared to Grade I	The number of acini was increased; the vessel was partly dilated; and the tissue structure was not clear compared to Grade II	The number of acini boosted significantly; the duct was markedly dilated; and the boundary was not much clearer compared to Grade III