பொருள் : Of or on the right.
							எடுத்துக்காட்டு : 
							A dextral gastropod shell with the apex upward has its opening on the right when facing the observer.
							A dextral flatfish lies with the right eye uppermost.
							
Of or on the left.
A sinistral gastropod shell with the apex upward has its opening on the left when facing the observer.பொருள் : Preferring to use right foot or hand or eye.
							எடுத்துக்காட்டு : 
							Dextral individuals exhibit dominance of the right hand and eye.