Table 1.

Summary of the effects of HDC inhibitor, HA, HA receptor antagonists and KCl on settlement without induction, arm retraction and caspase activity for competent larvae

Treatment	Settlement	Rel. Arm Length	Caspase Activity
HA	-	-	-
AMH	↑	-	↑
H1Ra	-	↓	↑
H2Ra	-	-	↑
H3Ra	↑	↓	-
KCL	↑	↓	-

All effects indicated in this table were statistically significant (p < 0.05).

all results significant for p < 0.05.