Sentences with dextral
dex·tral
D d - The Murzinka-Adui Metamorphic Complex to the SE of the Salda Complex is separated from the latter by the Petrokamensk Arc and the Sisert dextral strike-slip fault.
- In plan view, several specimens show minor changes in the generally linear orientation with either a sinistral or a dextral turn.
- This tendency towards dextrality was explored further by examining a museum collection of extremities of walrus skeletons.
- Overall, then, there is no trend from dextrality to sinistrality.
- The preference for dextral threads certainly goes back to the unrecorded past.
- It is interesting to speculate why most screw threads are dextral and only a relatively small number are sinistral threads.
- The outer shell surface of both sinistrally coiled species of Crassimarginata is ornamented by distinct costae, but the dextrally coiled shells of Yukonoconcha seem to be smooth.
- It is possible that other commissural systems that transmit motor commands and thus influence dextrality may also manifest sexual orientation-related differences.
- Sinistral individuals in normally dextral populations often deviate slightly in shell form from wild-type dextrals, perhaps implying that the left-handed condition has small deleterious side effects.
- Clockwise rotation of the trend of volcanic ridges is associated with dextrally offset, sinistrally slipping transforms, while anticlockwise rotation is associated with sinistrally offset, dextrally slipping transforms.
- In the northern Musgrave Block the Petermann Orogeny generated large-scale east-west-trending shear zones that accommodated dextral strike-slip and north- and south-directed thrusting.
- Commonly there is a partitioning of sinistral and dextral criteria on alternate horizons, but horizons occur where both senses coexist.
- Thus, the gerontic aperture of these dextrally coiled shells is situated on the left side in apertural view.
- Both species described here are sinistrally coiled, but a similar pattern of ornamentation is present on two Pennsylvanian species that are dextrally coiled.
- Although sinistral individuals are known in many normally dextral species, left-handedness as a characteristic of species is rare in most gastropod clades.
- In fact, Aleksandrowski et al proposed that the complex was originally contiguous with the Northern Phyllite Zone in Germany and that dextral strike-slip fault movement translated this region southeastward to its present position.
- Zhang noted that both sinistral and dextral Pa and Pb elements differed entirely.
- Rather, one form of the gene, which we may call D for dextral, may code for right-handedness, while the other allele, which we may call C for chance, leaves the direction of handedness to chance.
- But when they were actively seeking out shellfish using their favoured flipper-beating technique, the walruses used their right flipper - a trait known as dextrality - 89 per cent of the time.
- It is commonly assumed that the Stanovoy sinistral shear zone and the Sakhalin-Hokkaido dextral shear zone in NE Asia are two conjugate strike-slip faults related to the India-Eurasia collision.
- Well, that is dextral, associated with dexterity.