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. 2013 Sep 24;8(9):e75062. doi: 10.1371/journal.pone.0075062

Figure 2. Histology of the mammary gland.

Figure 2

Photomicrographs showing the basic histology of the mammary gland of M. velifer in three stages: lactation (A and B) featuring secretion products inside the alveoli (asterisk) and epithelial alveolar cells (arrow); involution (C and D), with scarce secretion products inside the alveoli (asterisk) and epithelial alveolar cells (arrow); and the resting phase (E and F), where stroma occupies most of the gland (asterisk) and epithelial alveolar cells are found in a restricted area (arrow). Transverse sections. Scale: 100 µm.