analysis of dissected regions of the calf cornea showed a uniform distribution of the collagen populations from the center to the limbus ( 89 % type i , 10 % type v and less than 1 % type iii collagen ) and uniformity through the depth of the stroma , except that type iii was concentrated around bowman 's layer , and type iv in descement 's membrane .
C0009325
collagen
C0041455
1