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Topic: Sinistral


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  Dakshinavarti Conch, Shankh, Shank, Sinistral Turbinella pyrum, Right conch Shell, Sacred Shells   (Site not responding. Last check: 2007-10-10)
According to Puranas the thick sinistral shells are cosidered as Vishnu conchs and thin shelled conchs are called Laxmi Shell.
Evidences of Sinistral conchs of Indian origin suggest that they can be obtained from several areas of Indian Ocean.
For example the white variety of Sinistral Turbinella laffertyi which was once prevalent in Khambat is totally extinct.
www.astrologyfuture.com /conch.htm   (3031 words)

  
 IS THERE A SURVIVAL-RELATED ADVANTAGE OF SINISTRAL COILING IN MARINE SNAILS?
Although left-handed, or sinistral, individuals are known in many normally dextral species, establishment of left-handedness at the species level is exceptionally rare.
Sinistrality is associated with intense sexual selection for mate compatibility; however, the trait is not thought to have any significant survival-related advantages.
A reason to suspect this assumption might not hold is that the majority of crab predators that feed on snails are laterally asymmetric, typically having the claw they use to crush or peel the shell of their prey on the right-hand side of their bodies.
gsa.confex.com /gsa/2004AM/finalprogram/abstract_76278.htm   (496 words)

  
 [No title]   (Site not responding. Last check: 2007-10-10)
New mapping and structural analysis along the JChF indicates that the slip is sinistral and may still be active, particularly along the western portion of the fault.
We have recognized sinistral faults from the Island of Roatán in the north to the Gulf of Fonseca in the south.
The sinistral faulting ended prior to the deposition of ignimbrite sheets in the Miocene which have apparently only been affected by the dextral faulting.
www.ig.utexas.edu /research/projects/honduras/gordonabst.htm   (4301 words)

  
 The Genetics of Snail Shell Coiling
The sinistral form clearly is the recessive character or allele, suppressed in a heterozygote genotype by the dominant wild-type character.
And that means, that from the ss snails, sinistral offspring will reappear in the third generation (F3), one sinistral specimen in relation to three dextral ones.
What one cannot conclude is, that a sinistral shell will have sinistral offspring, as it may well (even most certainly) have the heterozygote genotype of s+.
weichtiere.at /english/gastropoda/terrestrial/escargot/crossing.html   (672 words)

  
 Analog Models of Restraining Stepovers in Strike
The results of a comprehensive suite of experiments in which sinistral strike-slip faults in the rigid basement were offset at angles that varied from 30 to 150o in increments of 15o (cf.
By 8 cm displacement a pair of oblique-slip, sinistral strike-slip faults cut across the central region of the pop-up and linked the two PDZs at each end of the model (Table 1; Figure 3d).
After 1-2 cm of sinistral strike-slip displacement on the basement faults, synthetic Riedel shears formed above the offset segments of these faults together with a wide zone of gentle uplift above the basement stepover (Figure 10a).
www.searchanddiscovery.net /documents/mcclay02/index.htm   (8082 words)

  
 Sirks - Plasmatic Inheritance
A striking example of the influence of the plasm in inheritance and as revealed by zoological material, may be found in the studies of Boycott and his collaborators (1930) on sinistrality in the snail Limnaea peregra.
In this case the first cleavage of the fertilized ovum is "dexiotropic" in dextral snails, i.e., both nuclei with their surrounding masses of plasm shift in both cell halves in clockwise direction, while in sinistral snails the movement is counter-clockwise.
Conklin concluded from his observations that this difference between dextral and sinistral snails is rooted in the structure of the undivided egg-cell.
www.bulbnrose.com /Heredity/sirks.html   (4976 words)

  
 Another Faux Sinistral Gastropod From The Philippines   (Site not responding. Last check: 2007-10-10)
Recently Rick McCarthy, well-renowned, at least to me, as the finder of a sinistral Vokesimurex bellegladeensis (E. Vokes, 1963) from the bycatch of a Port Canaveral scallop boat in 1983, emailed me with a question.
Having had a disappointing but enlightening experience with a faux Sinistral Cymatium pileare (Linnaeus, 1758), I admonished Rick to obtain an Xray of the two specimens for analysis of authenticity.
The image of the "sinistral" shell appears to be a "double exposure," quite unlike that of the C.
www.jaxshells.org /fauxcone.htm   (463 words)

  
 [No title]   (Site not responding. Last check: 2007-10-10)
The northeast trending shears were first thought to be sinistral, forming the conjugate pairs to the northwest trends (Emmet, 1983 and Manton, 1987), and may have accommodated significant plate motion as part of a diffuse margin between the CARIB and NOAM plates (Gordon, 1990).
To explain the remaining data and the northwest topographic lineaments of the Valle de Jamastrán region, extension of the dextral MCSB trend was included in the strain ellipse model analysis (fig.
During sinistral GFS motion the Tertiary intrusives that cut the Tertiary Padre Miguel Group on the adjoining El Paraíso sheet were intruded as massive stocks and as dike swarms injected along upturned bedding and vertical fractures within the Honduras Group metasedimentary strata.
www.ig.utexas.edu /research/projects/honduras/VDJAM.htm   (11571 words)

  
 GSA Cordilleran Section Field Trip Guidebook: Independence Dike Swarm
We interpret the oblique fabrics to have formed as a result of sinistral shear along the subduction boundary that was partitioned into the Late Jurassic magmatic arc.
Partly on this basis, we proposed that the dikes and mylonite zones are expressions of a crustal-scale sinistral shear zone along the Late Jurassic magmatic arc.
The intimate association of dike emplacement with sinistral shear suggests that the shear regime was transtensional.
www.geolab.unc.edu /Petunia/IDS_Web_Site/FTG.html   (8405 words)

  
 [No title]
At the southern side of the half grabens, sediments overly older rocks transgressively, with a transition from proximal conglomerates to distal bituminous marls, whereas the northern margin, where the active fault was situated, is characterized by scarp breccias in bituminous marls.
Sinistral faulting during T4 reactivates most T2-faults and makes it impossible to distinguish the two events in rocks older than Oligocene.
For the post-Oligocene sinistral shearing along ENE-trending faults, the model of lateral extrusion as proposed by Ratschbacher et al.
homepages.uni-tuebingen.de /uni/ep/epifr03/TGAvol/-192.html   (1118 words)

  
 Discussion on incipient continental collision and plate-boundary curvature: Late Pliocene-Holocene transtensional ...
Transtension is supposed to be dominantly resolved along 070[degrees]-slriking sinistral faults and that the 070[degrees]striking faults have strike-slip:normal-slip ratios of 10-100:1.
The use of the latter fault as a marker is not compelling because faults on either side of the 070[degrees]-striking fault have different hanging walls.
The dip of the graben sediments in the hanging wall of the Aghia Galini fault is to the SW and normal faulting at a SE-dipping fault would also produce an apparent sinistral offset of the sediments in map view.
www.findarticles.com /p/articles/mi_qa3721/is_200309/ai_n9249250   (866 words)

  
 PANCREATIC TAIL ADENOCARCINOMA PRESENTING AS EARLY SINISTRAL PORTAL HYPERTENSION   (Site not responding. Last check: 2007-10-10)
The patient had sinistral portal hypertension, a clinical syndrome consisting of splenic vein thrombosis caused by pancreatic adenocarcinoma of tail manifested as isolated gastric varices with patent portal vein and normal hepatic function.
An uncommon form of upper gastrointestinal bleeding with an incidence of less than 1%, sinistral portal hypertension (SPH) is a clinical syndrome should splenic vein thrombosis (SVT) manifest itself with bleeding gastric varices in a patient with a patent portal vein and normal hepatic function.
[1,2] The phrase sinistral (segmental or left-sided) portal hypertension is used because the portal hypertension is confined to the left-sided segment of the portal venous system, namely, the splenic side.
www.bhj.org /journal/2002_4403_jul/case_453.htm   (885 words)

  
 Pharyngula: Chirality in Euhadra
One way to think of it is that the result of a maternal effect mutation is delayed one generation—the snail that has a mutation to cause a dextral twist will have a sinistral shell, but all of her children will be dextral.
Sinistral species are shown in red and dextral species in blue.
That means that a sinistral snail can mate with a sinistral snail, and their progeny may be dextral, and able to breed with the dextral population.
scienceblogs.com /pharyngula/2006/04/chirality_in_euhadra.php   (1429 words)

  
 British Shell Collectors' Club Sinistral Article
A sinistral shell is a shell of a gastropod which is 'left-handed'.
In the case of a sinistral individual, the body has twisted 'the wrong way' -anti-clockwise as opposed to clockwise -and the shell is then secreted to house this left-handed snail, also coiling in an anti-clockwise direction.
These sinistral forms are found in the Philippines and are not too expensive to buy; Volvarina philippinarum is the most common sinistral freak by far, and sells for less than £10.
www.britishshellclub.org.uk /pages/articles/sini/artsini.htm   (1550 words)

  
 Snail Kings - Sinistral Helix Snails
Because of the rarity of sinistral Helix shells one would certainly assume, that shell genetics is based on a normal dominant-recessive pattern of heredity.
The character "sinistral" shell then would be the recessive and would disappear when characters are mixed, which in genetics is called heterozygote.
Snails that are externally dextral (that is called the phenotype) may have exclusively sinistral offspring, because they are genetically sinistral (that is called the genotype).
weichtiere.at /english/gastropoda/terrestrial/escargot/snail_king.html   (602 words)

  
 -yourDictionary.com - Word of the Day
Usage: Today's word may also be used as a noun to refer to left-handers: "She wore her watch on her right wrist like most sinistrals." The antonym of "sinistral" is dextral "pertaining to or facing right." "Sinistrally" is the adverb and "sinistrality," the noun from today's word.
There is also a noun sinistration "turning to the left" which implies a verb "sinistrate." Some other day we will have to examine "southpaw," a peculiar phrase referring to sinistrals who climb the mound in baseball.
The sinistral side is that side of an object when you are facing in the same direction as the object.
www.yourdictionary.com /wotd/wotd.pl?word=sinistral   (367 words)

  
 Faux Sinistral Cymatium pileare (Linnaeus, 1758)   (Site not responding. Last check: 2007-10-10)
Initially their efforts were geared toward improving less than perfect specimens of rare shells to enhance their value.
Over time, their efforts expanded to include such things as producing new color forms of a particular species, producing world-record sized specimens of a species from scratch (no actual shell involved), and producing sinistral specimens of desirable species such as Conus gloriamaris Chemnitz, 1777.
As of late, it appears that they have expanded their efforts and have begun producing faux sinistral specimens of more common species such as the Cymatium pileare (Linnaeus, 1758) - depicted on the left below.
www.jaxshells.org /faux.htm   (129 words)

  
 CELL BIOLOGY: ON LEFT-RIGHT ASYMMETRY IN SNAILS
Another common pond snail, Lymnaea is notable in that both dextral and sinistral forms are found in nature, with sinistral individuals representing up to 2% of the population.
In this view, spiral cleavage is controlled by an asymmetry in the cortex that regulates the inclination of the mitotic apparatus prior to cytokinesis.
By contrast, Meshcheryakov and Beloussov (5) attributed the reversal of cleavage pattern between sinistral and dextral species to a reversal -- from clockwise to anti-clockwise -- of the spiral rotation of the daughter micromeres during cytokinesis.
scienceweek.com /2004/sb041008-2.htm   (1489 words)

  
 Shell
Lanistes who have a sinistral shell (shell opening at the left), although there are reports of sinistral animals in the other genera (see the literature: CAZZANIGA, N. and ESTEBENET, A. and recently the author of this website discovered a sinistral Marisa cornuarietis snail in his aquarium.
The Lanistes snail has a sinistral shell, but the body is dextral.
In a truly sinistral snail, the shell and the body are turning to the left and in such cases all organs are inverted (for example the
www.applesnail.net /content/anatomy/shell.php   (1384 words)

  
 Amon: The Sinistral
This is actually the third installment of what I have decided to call the Chronicles of the Sinistrals.
The first, Biography of Gades, told Gades' story, but it was written by the Sinistral before he turned against Arek in The Lord of Doom.
The group had grown very large in the past few years, what with the return of Maxim and Selan and the Sinistrals' betrayal of their father Arek.
www.lufia.net /amonthesinistral.html   (2813 words)

  
 Camaenidae - WORLDWIDE SPECIMEN SHELLS   (Site not responding. Last check: 2007-10-10)
A limited number of sinistral (left-handed) and dextral (right-handed) specimens are available.
There are also sinistral and dextral (left and right-handed) specimens.
Note whether you want a sinistral, or dextral specimens, or both; mark 2 species if you want a pair.
www.worldwideconchology.com /worldwide/families/Camaenidae.shtml   (1135 words)

  
 sinistral - alphaDictionary * Free English On-line Dictionary
Notes: The antonym of sinistral is dextral "on or facing right." Sinistrally is the adverb and sinistrality, the noun from today's word.
There is also a noun sinistration "turning to the left" which implies a verb sinistrate "to turn to the left", so the family of this Good Word is large and healthy.
The sinistral side is that side of an object when you are facing in the same direction.
www.alphadictionary.com /goodword/word/sinistral   (351 words)

  
 Sinistrals - Wikipedia, the free encyclopedia
The Sinistrals are Gades, Amon, Erim, and Daos.
In the first game, it is revealed that she was actually Lufia herself, though she suffered from amnesia and was not able to remember any of her past life.
Eventually, the other Sinistrals were able to recover her memory, but she later rebelled against her brothers and defeated them along with the hero and his friends at the cost of permanently losing all of her memories.
en.wikipedia.org /wiki/Sinistrals   (794 words)

  
 [No title]
Selan died when she was dealt a fatal blow in the final battle between Sinistral and Man. Maxim lost his life when he prevented the floating island known as The Island of Doom from crashing into the town where his son lived.
What was buried when she became a Sinistral started to resurface and she started to gradually change as she remembered who she was as she observed Maxim's hopes and dreams and the destruction caused by the her fellow Sinistrals.
While Arek kept his vigil over Erim and the other three Sinistrals prepared their traitorous act, Erim slept in a near coma like state and dreamed a dream that was both reality and a dream.
www.rpgamer.com /games/lufia/luf2/fanfics/longest_interlude.html   (4679 words)

  
 Sinistral fossils
As far as I understand they are sinistral.
A little more info on the sinistral shells would be helpful, especially size and location.
The presence of an other unrelated, Recent shell (7, which is not sinistral anyway) implies a 'collection' from multiple sources, not all local.
www.manandmollusc.net /Mystery_shell_pages/gunnar-mystery.html   (191 words)

  
 Fault-Zone Properties and Earthquake Rupture Dynamics V Posters - Seismology [S]
Sinistral displacement of ridges and gullies are very typical around Longquan in the middle of the west boundary in the NSLB.
One is that the tectonic movement in the NSLB is characterized by sinistral shear and extension and the other is that the components of vertical and horizontal movements are different at the different segments of the NSLB.
Realization about sinistral shear and extension of the northern section of Lijiang basin provides direct evidence for the model of clockwise rotation of northwest Sichuan active block and the understanding of dynamic features of Red River fault zone.
www.agu.org /meetings/fm05/fm05-sessions/fm05_S41B.html   (10532 words)

  
 Biography Of a Sinistral
She appeared to the young mortal and his friends at times during their journey and gave them little hints and pieces of advice.
Things appeared to be going well until Gades, Sinistral of Destruction, met with Maxim's band and was defeated.
Lufia revealed that she was indeed Erim and that to prevent the Sinistrals from ever reviving, Lufia must be destroyed.
www.lufia.net /bioofasinistral.html   (958 words)

  
 Sinistral turbinella pyrum : Astrologyfuture, astrology and Horoscopes, Free Horoscopes and Vedic predictions   (Site not responding. Last check: 2007-10-10)
Sinistral turbinella pyrum : Astrologyfuture, astrology and Horoscopes, Free Horoscopes and Vedic predictions
The Sinistral turbinella pyrum or Valampuri (right handed) Sanghu is a very rare thing and is considered as very auspicious.
Product: Sinistral turbinella pyrum, Valampuri (right handed) Sanghu or Dkashinavarti Conch Conch: Dakshinavarti Origin: Dwarka Weight: 240.18 Color:...
www.astrologyfuture.com /sinistral-turbinella-pyrum-c-27.html   (379 words)

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