SPICULE Meaning and
Definition
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A "spicule" is defined as a small, slender, and typically pointed structure that can be found in various biological organisms. The term is most commonly associated with the skeletal structures of certain marine invertebrates, particularly sponges and echinoderms. Spicules function as integral parts of these organisms' support systems and contribute to their overall body structure.
In sponges, spicules are composed of calcium carbonate or silica and are responsible for providing rigidity and support to the soft, flexible body tissue. These skeletal elements vary in shape and size, with some being thin and needle-like, while others are thicker and more robust. Moreover, spicules can be categorized into different types based on their morphology, ranging from simple and straight to elaborate and branched formations.
Within the realm of echinoderms, such as sea urchins and starfish, spicules refer specifically to tiny skeletal structures that are embedded in the skin. These calcareous spines play a crucial role in defense mechanisms and protection against predators. Additionally, the arrangement, shape, and size of the spicules contribute to the distinctive appearance and taxonomy of different echinoderm species.
Overall, spicules act as essential components of the structural framework in certain organisms, allowing them to maintain shape, provide support, and serve as a form of defense. Their intricate forms and functions have captivated the interest of scientists and serve as a valuable feature for biological research and classification.
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A small needle-shaped body or spike.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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A minute, slender granule, or point.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Top Common Misspellings for SPICULE *
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
Other Common Misspellings for SPICULE
Etymology of SPICULE
The word "spicule" is derived from the Latin term "spicula", which means "a small point or prickle". It was originally used in reference to small, sharp-pointed objects or structures, such as thorns or prickles. Over time, it evolved to specifically refer to tiny, pointed structures found in various organisms, such as the small sharp projections on the bodies of sponges or the crystalline structures in minerals.
Similar spelling words for SPICULE
- speckle,
- speckless,
- spikelet,
- spackle,
- speculate,
- special,
- specular,
- spicily,
- spiculum,
- speegle,
- speciale,
- spacial,
- speckled,
- speculum.
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