Definition of Spicule. Meaning of Spicule. Synonyms of Spicule

Here you will find one or more explanations in English for the word Spicule. Also in the bottom left of the page several parts of wikipedia pages related to the word Spicule and, of course, Spicule synonyms and on the right images related to the word Spicule.

Definition of Spicule

Spicule
Spicule Spic"ule, n. [L. spiculum a little point, a dart.] 1. A minute, slender granule, or point. 2. (Bot.) Same as Spicula. 3. (Zo["o]l.) Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria. Note: Spicules vary exceedingly in size and shape, and some of those found in siliceous sponges are very complex in structure and elegant in form. They are of great use in classification. Description of the Illustration: a Acerate; b Tricurvate, or Bowshaped; c d Hamate; e Broomshaped; f Scepterellate; g Spinispirulate; h Inequi-anchorate; i Sexradiate; j A Trichite Sheaf; k Six-rayed Capitate; l Rosette of Esperia; m Equi-anchorate.

Meaning of Spicule from wikipedia

- up ****ule in Wiktionary, the free dictionary. ****ules are any of various small needle-like anatomical structures occurring in organisms ****ule may...
- ****ules are structural elements found in most sponges. The meshing of many ****ules serves as the sponge's skeleton and thus it provides structural support...
- In solar physics, a ****ule, also known as a fibril or mottle, is a dynamic jet of plasma in the Sun's chromosphere about 300 km in diameter. They move...
- nematodes, ****ules, also known as co****tory ****ules, are needle-like mating structures found only in males. Male nematodes may have one or two ****ules which...
- are characterized by ****ules made of calcium carbonate, in the form of high-magnesium calcite or aragonite. While the ****ules in most species are triradiate...
- ****ules are tiny gl**** flakes which are formed during the manufacture of gl**** vials. A gl**** tube is extruded at a constant rate and a jet of water applied...
- species Monorhaphis chuni, a sponge known for creating a single giant basal ****ule (G.B.S.) to anchor the sponge in the sediments. The species was described...
- mesohyl is stiffened by mineral ****ules, by spongin fibers, or both. Demosponges use spongin; many species have silica ****ules, whereas some species have...
- endoskeletons made of diffuse calcite/silica structural elements called ****ules, and echinoderms have a dermal calcite endoskeleton known as ossicles....
- Their "skeletons" are made of ****ules consisting of fibers of the protein spongin, the mineral silica, or both. Where ****ules of silica are present, they...