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

- ****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...
- up ****ule in Wiktionary, the free dictionary. ****ules are any of various small needle-like anatomical structures occurring in organisms ****ule may...
- 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...
- 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...
- 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...
- made of diffuse meshworks of calcite/silica structural elements called ****ules, and echinoderms have a dermal calcite endoskeleton known as ossicles....
- sponges) and Hexactinellida (gl**** sponges). They are characterized by ****ules made out of silicon dioxide, unlike calcareous sponges. Individual siliachoates...
- secrete calcareous or siliceous ****ules which are found in the mesohyl layer of sponges. The sclerocytes produce ****ules via formation of a cellular triad...
- 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...
-     Lophocyte     Porocyte     Oocyte     Archeocyte     Sclerocyte     ****ule     Water flow Choanocytes (also known as "collar cells") are cells that...