Ultrastructure Organization of Collagen Fibrils and Proteoglycans of Stingray and Shark Corneal Stroma

Table 2

Mean area of proteoglycans of anterior, middle, and posterior stroma of stingray and shark.

	Density		Mean Area (nm^2)		Spacing
	Sting-ray	Shark	Sting ray	Shark	Stingray	Shark
Anterior stroma	131	384	225.52 ± 5.04	194.52 ± 4.04	64.33 ± 1.44^†	37.64 ± 0.46^†
Middle stroma	123	460	224.54 ± 5.25	209.09 ± 4.29	70.01 ± 1.22^†	34.55 ± 0.38^†
Posterior stroma	135	465	324.64 ± 11.09	201.65 ± 4.29	64.14 ± 1.18^†	33.79 ± 0.42^†

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