whorl


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Related to whorl: whirlpool, loop

whorl

1. Botany a radial arrangement of three or more petals, stamens, leaves, etc., around a stem
2. Zoology a single turn in a spiral shell
3. one of the basic patterns of the human fingerprint, formed by several complete circular ridges one inside another

Whorl

 

a weight attached to a spindle that stabilizes the spindle and enables it to rotate uniformly. Whorls have been known since the late Neolithic period. Originally they were made of clay, and later of stone. From the 11th to the 13th century, whorls made of pink slate were widely distributed in Rus’; they were made near Ovruch in Volyn’ region, where the only deposits of pink slate in Eastern Europe are found. Some slate whorls were inscribed with the names of their owners. The production of whorls in Ovruch ceased after the city’s destruction by the Tatars in the 13th century; as a result, clay whorls again became predominant in Rus’.

whorl

[wərl]
(botany)
An arrangement of several identical anatomical parts, such as petals, in a circle around the same point.
(forensic science)
A fingerprint pattern in which at least two deltas are present with a recurve in front of each.
References in periodicals archive ?
Rohr (1994) noted that Koken & Perner (1925) considered a spiral groove on the interior of the whorl (equivalent to a ridge on the internal mould) to be a diagnostic feature of Lytospira, but commented that this feature was absent in the two specimens of Lytospira yochelsoni available to Rohr (1994).
Also appearing in Whorl are a SIG P226, semi-auto M4-style rifles with Aimpoints, Glock 19s, and a Remington 11-87.
Analysis indicated there was no statistically significant difference in the presence of six or more whorls between the breast cancer patients and control group (Fisher's exact test: [chi square] = 0.78, p = 0.500; p > 0.05) (Table 1).
Height of the aperture: ApH, length of aperture: ApL, width of the aperture: ApW, vertical subsutural striations in the last whorl: Slw.
For the index finger of the left hand, the arch and whorl patterns illustrated a uniform distribution in both controls and patients, while the distribution of the loop pattern revealed a statistically significant difference between the 2 groups (p=0.042).
triadicae, leaf whorls were collected monthly as available during 2013 and 2014 in the tallow garden described above at Ft.
Thirteen quantitative floral traits, bud length and width, corolla diameter, total number of petals and sepals, number of whorls of sepals and petals, petal length and width, style length, style column length, style arm length, and number of style arms, were recorded.
When the residuals were plotted against whorl height, no obvious change in variance was observed, nor were there any increasing or decreasing linear trends with increasing whorl height (WH), just a very small wavy pattern about one-quarter to one-half the magnitude of the root mean square error (RMSE) on average.
Leaf whorl inoculation, stem injection and root tip cut and dip methods which showed significant results in glass house were further used for field experimentation.
And at the end of The Book of the Long Sun, he refuses to leave the Whorl with the members of his manteion, choosing instead to remain behind with his beautiful but faithless new wife Hyacinth.
Caption: A tube (arrow) following the crease between whorls lets this Alycaeus snail breathe in its shell--although the tube's outside end is sealed.
This research group also examined the direction of hair whorls, clockwise or counterclockwise, as predictive of training success.