dextral

(redirected from Sinistral and dextral)
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Related to Sinistral and dextral: Dextral fault

dex·tral

 (dĕk′strəl)
adj.
1. Of, relating to, or located on the right side; right.
2. Right-handed.
3. Zoology Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.

dex·tral′i·ty (dĕk-străl′ĭ-tē) n.
dex′tral·ly adv.

dextral

(ˈdɛkstrəl)
adj
1. (Anatomy) of, relating to, or located on the right side, esp of the body; right-hand
2. (Physiology) of or relating to a person who prefers to use his or her right foot, hand, or eye; right-handed
3. (Biology) (of the shells of certain gastropod molluscs) coiling in an anticlockwise direction from the apex; dextrorse
dextrality n
ˈdextrally adv

dex•tral

(ˈdɛk strəl)

adj.
1. of, pertaining to, or on the right side.
2. having a preference for using the right hand or side; right-handed.
3. (of certain gastropod shells) coiling clockwise, as seen from the apex.
Compare sinistral.
[1640–50; < Latin dext(e)r (see dexter)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.dextral - of or on the right; "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"
clockwise - in the same direction as the rotating hands of a clock
right-handed - using or intended for the right hand; "a right-handed batter"; "right-handed scissors"
sinistral - of or on the left; "a sinistral gastropod shell with the apex upward has its opening on the left when facing the observer"; "a sinistral flatfish lies with the left eye uppermost"
2.dextral - preferring to use right foot or hand or eye; "dextral individuals exhibit dominance of the right hand and eye"
right-handed - using or intended for the right hand; "a right-handed batter"; "right-handed scissors"
References in periodicals archive ?
This species probably evolved from Siphonodella ludmilae by the development of an additional rostral ridge on the left side of both the sinistral and dextral Pa elements, and by the change of the symmetry class from II to III.
The inconsistent expression patterns of pitx2 during metamorphosis between sinistral and dextral fish was also supported by a previous study (Yoshioka et al.
Minor sinistral and dextral motions were observed, but normal motion is predominant (Fig.