Appendages of 2nd pair folding in a vertical plane, not chelate, the claw long and movable.
Two pairs of the thoracic feet are chelate, and three pairs are longer than the others.
chelate: bearing a cheat or claw; applied when claws are capable of being drawn down or back upon the last tarsal joint.
chelate che·late (kē'lāt')
A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions. v. che·lat·ed, che·lat·ing, che·lates
To combine a metal ion with a chemical compound to form a ring.
To remove a heavy metal, such as lead or mercury, from the bloodstream by means of a chelate.