Whorl
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A whorl is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects.
Botanical whorls: sepals, petals, leaves, or branches radiating from a single point (photo of flower of Friesodielsia desmoides, family Annonaceae, juxtaposed with diagram of axial cross-section)
Mollusc whorls: Each complete 360° turn in the spiral growth of the shell of the mollusc Anisus septemgyratus, family Planorbidae.
A hair whorl is a patch of hair growing in a circular direction around a visible center point.
In a fingerprint, a whorl is each ridge arranged circularly around a central point on the finger.
Spiral
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In mathematics, a spiral is a curve which emanates from a point, moving further away as it revolves around the point. It is a subtype of whorled patterns, a broad group that also includes concentric o
Whorl
…A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). For mollusc whorls, the body whorl in a mollusc shell is the most recently formed…
Cutaway of a nautilus shell showing the chambers arranged in an approximately logarithmic spiral
An artist's rendering of a spiral galaxy
Sunflower head displaying florets in spirals of 34 and 55 around the outside
Cucuteni culture spirals on a bowl on stand, a vessel on stand, and an amphora, 4300-4000 BCE, ceramic, Palace of Culture, Iași, Romania