Table 6.

Correlation between the concentrations of ions in the Follicle walls.

Items	Cd	Pb	Cr	Hg	Se	Cu	Fe	Mn	Zn	Na	K	Mg	Ca
Cd	1
Pb	0.793**	1
Cr	0.399	0.315	1
Hg	0.631*	0.760**	0.067	1
Se	−0.030	0.155	0.176	0.417	1
Cu	−0.271	−0.155	0.254	−0.035	0.127	1
Fe	0.356	0.542*	0.180	0.580*	−0.252	0.041	1
Mn	−0.448	−0.586**	−0.091	−0.460	−0.499*	−0.050	0.114	1
Zn	−0.124	−0.247	0.381	−0.178	−0.323	0.678**	0.273	0.373	1
Na	0.039	0.388	0.161	0.215	−0.160	−0.132	0.152	−0.016	−0.154	1
K	−0.030	−0.155	0.307	0.005	−0.312	0.394	0.325	0.286	0.604**	0.258	1
Mg	0.010	−0.237	0.139	0.024	−0.358	0.340	0.350	0.366	0.623**	−0.308	0.459*	1
Ca	0.146	−0.141	0.417	−0.077	−0.120	0.580**	−0.145	0.009	0.686**	−0.161	0.394	0.475*	1

^*Measurements are significantly correlated at P < 0.05;

^**measurements are significantly correlated at P < 0.01 (two-tailed).