The Mokis also are careful to stir medicines according to the sinistral circuit.
sinistral: extending to or at the left from the median line.
The sinistral circuit is one in which the center is on the left hand, while the dextral circuit has its center to the right.
sinistral: Having the aperture of the shell at the left; opposite of dextral.
With unimportant differences, the process of metamorphosis in the sinistral fish is parallel to that in the dextral fish.
This is carried outward in a sinistral spiral to the noded shoulder.
If we were very fortunate, we might find a sinistral, or “left-handed” specimen.
Gasteropod shells may be sinistral or dextral, according as the whorls turn to the left or right.
A genus of minute land shells, resembling Vertigo, but separated because they are dextral, while Vertigo is sinistral.
Dextral animals, with shell coiled pseudo-sinistrally; operculum with sinistral spiral; pallial cavity dorsal.
sinistral sin·is·tral (sĭn'ĭ-strəl, sĭ-nĭs'trəl)
Of, facing, or located on the left side; left.