Liver structural transformation after partial hepatectomy and repeated partial hepatectomy in rats: A renewed view on liver regeneration

Table 1 Distribution of the experimental animals by experimental models and research methods

Methods Groups	Histology					SEM of corrosion cast	Ploidy of hepatocytes	Number of animals
	H&E	Histochemistry(Masson’s Trichrome)	IHC (CK8)	Morphometry(perimeters and areas of the hepatocytes and their nuclei)	Transparent slides after Indian Ink injection
Control	6*	6*	6*	6*	4	6	3*	16
Study group 1 (9 mo after PH)	6**	6**	6**	6**	4	4	3**	14
Study group 2 (6 mo after repeated PH conducted after 9 mo from primary intervention)	4***	4***	4***	4***	2	4	3***	10
Total 40

Note: A similar number of (*) indicates that the same animals were used for different research methods. PH: Partial hepatectomy; SEM: Scanning electron microscopy.