The circuit used by the decorator of this box is dextral or sunwise.
Vertigo (Sphyradium) edentula is dextral and without denticles.
Sinistral: Having the aperture of the shell at the left; opposite of dextral.
It has been made from the broad beak of a Strombus or dextral whorled Busycon.
The bead illustrated in Fig. 6 has been made from the column of some dextral whorled shell.
Gasteropod shells may be sinistral or dextral, according as the whorls turn to the left or right.
The sinistral circuit is one in which the center is on the left hand, while the dextral circuit has its center to the right.
Her right arm rested upon the table, and her dextral fingers nervously manipulated a sealed letter.
Dextral: Having the aperture on the right side of the shell when the apex is upward.
With unimportant differences, the process of metamorphosis in the sinistral fish is parallel to that in the dextral fish.