highly significantP < 0.01
2D , there are highly significant differences in WHH between PC (mean ± SEM, 62° ± 3.1°) and DM (mean ± SEM, 48° ± 2.8°) neurons ( P < 0.01, U test) and between PC and DP (mean ± SEM, 46° ± 3.4°) neurons ( P < 0.01, U test).