Whorl

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Whorl

Whorl is a type of spiral

Spiral

In mathematics, a spiral is a curve which emanates from a central point, getting progressively farther away as it revolves around the point....
pattern.

Other meanings of whorl include:

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Encyclopedia

Whorl is a type of spiral

Spiral

In mathematics, a spiral is a curve which emanates from a central point, getting progressively farther away as it revolves around the point....
pattern.

Other meanings of whorl include:

Whorl (mollusc)
Whorl (mollusc)

File:Anisus septegyrus1pl.jpgFile:Turritella communis fossiel.jpgA whorl is a single, complete 360? revolution or turn in the spiral growth of a mollusc shell....
, a single, complete 360° turn in the spiral growth of a mollusc shell

Body whorl
Body whorl

File:Anisus septegyrus1pl.jpgFile:Turritella communis Turmschnecke.jpgBody whorl is a term applied to a snail shell. It refers to part of the morphology of a coiled snail shell, that of a shelled gastropod mollusk....
, in a mollusc shell the most recently formed whorl of a spiral shell, terminating in the aperture

A whorl of sepal
Sepal

A sepal is a part of the flower of angiosperms . Sepals in a "typical" flower are green and lie under the more conspicuous petals. As a collective unit the sepals are called the Wiktionary:calyx, and the collection of petals is called the Wiktionary:corolla....
s or petal
Petal

A petal is one member or part of the Corolla of a flower. The corolla is the name for all of the petals of a flower; the inner perianth whorl, term used when this is not the same in appearance as the outermost whorl and is used to attract pollinators based on its advertising coloration....
s or leaves on plants, in which all the parts are attached at the same point and surround or wrap around the stem.
In biology a whorl might occur at the ends of different structures or occur in the middle of structures. It's often used to describe the structures of organs and used in the aid of identification. It's a cluster of cells or tissue that surround another, that starts at the same plain of axis or starts at one point and wraps around that point in an expanding circular pattern.
A type of fingerprint
Fingerprint

A fingerprint is an impression of the friction ridges of all part of the finger. A friction ridge is a raised portion of the epidermis on the palmar or digits or plantar skin, consisting of one or more connected ridge units of friction ridge skin....
pattern
A weight attached to a spindle
Spindle (textiles)

A spindle is a wooden spike weighted at one end with a circular whorl; it may have an optional hook at either end of the spike. It is used for spinning wool and other fibers into yarn....