Table 2.

Lattice parameters a, b and c of the orthorhombic unit cell of chitin in the attachment hair, a leg tendon, and the fang of Cupiennius salei, and reference values from purified chitin samples.

sample	a (nm)	b (nm)	c (nm)
Cupiennius salei attachment haira	0.474 ± 0.003	2.131 ± 0.03	1.023 ± 0.002
Cupiennius salei tendonb [47]	0.470	1.897	1.028
Cupiennius salei fang [46]	0.46	2.06	1.02
lobster tendonc [43]	0.474	1.886	1.032
crab tendonc [52]	0.474	1.884	1.031

^aBased on shaft values of table 1.

^bIntact dry.

^cDeproteinized.