Fig. 2.

Histology evaluation of primary tumor induced by 4T1, sections from mice untreated and treated with asafoetida. H&E staining as observed under a light microscope (100×, 400×). In primary tumor, the neoplastic cells were characterized by small amount of cytoplasm. Some cells were under mitotic division (Fig. 2A and B). In sections of treated asafoetida breast, numbers of tumor clumps were decreased (Fig. 2C).