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Definition of Spicule
1. Noun. Small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.
Definition of Spicule
1. n. A minute, slender granule, or point.
Definition of Spicule
1. Noun. A sharp, needle-like piece ¹
2. Noun. (biology) Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges ¹
3. Noun. (astronomy) A jet of matter ejected from the photosphere of the sun ¹
4. Noun. A small spike of flowers ¹
¹ Source: wiktionary.com
Definition of Spicule
1. a needlelike structure [n -S]
Medical Definition of Spicule
1. A small, slender, sharp-pointed piece, usually on a surface, a small spike of flowers. (09 Oct 1997)
Lexicographical Neighbors of Spicule
Literary usage of Spicule
Below you will find example usage of this term as found in modern and/or classical literature:
1. Report of the Annual Meeting (1907)
"By Professor EA MINCHIN, М.Л. A spicule is to be defined as a sclerite of
intra-cellular origin and growth. It may be formed of organic material entirely ..."
2. A Treatise on Zoology by Edwin Ray Lankester (1900)
"41), of skeletal material upon a primary spicule ; or to union of several ...
107), in which each ray represents a distinct primary spicule or spicular ..."
3. Fossil Sponge Spicules from the Upper Chalk: Found in the Interior of a ...by George Jennings Hinde by George Jennings Hinde (1880)
"Zone spicule with simple trifid head 29 Fig- J> T*16 same- Zone spicule with compound
... Head of compound trifid spicule 29 Fig. 6 Geodia ? coronata n. sp. ..."
4. The Encyclopedia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1911)
"... in the protoplasm: or, lastly, they may deposit carbonate of lime, so that
one or several of them together produce a calcareous spicule in the test. ..."
5. The Student, and Intellectual Observer (1871)
"Spiny spicule from margin of osculum. 10. Large quinque-radiate spicule of outer
network. x about 13. 11. One form of hamate spicule from fascicle of beard- ..."
6. Bulletin of the American Museum of Natural History by American Museum of Natural History (1919)
"Simple, spirally-wound spicule, with more than one volution (PI. V, fig. 10). 5.
... A small s- or c-shaped, curved and spirally-wound spicule (PI. V, fig. ..."
7. Forms of Animal Life: A Manual of Comparative Anatomy : with Descriptions of by George Rolleston, William Hatchett Jackson (1888)
"The calcareous spicule is covered by a sheath or cuticle, by the calcification
of which the spicule grows, and outside the cuticle by a layer of ..."
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