Fig 3. Light micrograph of the lung of (A) a control rat, and (B) a rat given a mixture of L. buchneri FD2 and L. fermentum HM3, showing normal histological structure of lung comprising of alveolus (a) and inter-alveolar septum (S).
No inflammatory or cellular changes were observed in the lung of the treated rat. Bar = 20 μm.
