the author carried out studies and established that in contrast to the bald skin of a man the elastic fibres in the skin of naked mice were completely normal and the small arteries and arterioles were with normal structure , because of which they could not be considered as a cause of degeneration of hair follicles , falling of hairs and of their irreplaceability with hairs grown externaly in these animals ( fig . 4 a and b , fig . 5 a and b ) .
C0002170
falling
C0018494
hairs