Spicule definition biology
Webnoun spicules Any of the short-lived, bright, dense gas jets continuously spurting up through the chromosphere of the sun: thought to be extensions of the photosphere's … WebLe programme collectif de recherche reseau de lithotheques en Auvergne-Rhone-Alpes existe depuis 12 ans. Il est a l’initiative d’une synergie desormais reconnue sur l’origine des matieres premieres. Sa fonction est essentielle dans la consolidation
Spicule definition biology
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Webspic•ule (ˈspɪk yul) n. 1. a small, needlelike crystal, process, or the like. 2. one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates. [1775–85; < Latin spīculum] spic′u•late` (-yəˌleɪt, -lɪt) adj. WebTerms in this set (7) Chicken liver sponge. Chondrilla caribbea, Small, sponge khaki or brownish lumps or lobes usually attached to seagrass blades. Spicules =. Spheraster. Style. White sponge, Geodia gibberosa, Massive irregular smooth sponges with clusters of small oscules in depressions. Common on shallow, inshore hard bottoms and seagrass ...
WebThe cellular components of the body of the sponge usually are not rigid and have no fixed continuity; cells from the outer, inner, and middle layers of a sponge are freely mobile. … WebAn asexually produced mass of cells, which are capable of developing into a new organism or into an adult freshwater sponge, is termed a Gemmule. They are small bud-like cells, which are formed by sponges to withstand unfavourable environmental conditions. A freshwater sponge reproduces both sexually and asexually.
Webspicule. structrual support of a sponge. pore. allows for water flow through a sponge, sponges obtain food by passing water through pores. collar cell. generates water flow … Webspic·ule ( spik'yūl ), 1. A small needle-shaped body. 2. Accessory reproductive structure in male nematodes; useful in identification of species. [L. spiculum, dim. of spica, or spicum, …
Webspic·ule ( spik'yūl ), 1. A small needle-shaped body. 2. Accessory reproductive structure in male nematodes; useful in identification of species. [L. spiculum, dim. of spica, or spicum, …
Web( spik'yūl ), 1. A small needle-shaped body. 2. Accessory reproductive structure in male nematodes; useful in identification of species. [L. spiculum, dim. of spica, or spicum, a point] Farlex Partner Medical Dictionary © Farlex 2012 spicule (spĭk′yo͞ol) also spicula (-yə-lə) n. pl. spic·ules also spic·ulae (-yə-lē) relationfieldWeb(A) A sclerocyte (sc) of the homosclerophorid Corticium candelabrum, showing an intracellular spicule (sp1) and another (sp2) that appears to be in the process of extrusion … relation force vitesseWebApr 1, 2011 · The central part of such spicule has the classic structure. There is a well-defined organic axial filament, located in the central channel. Around the filament are silica layers alternating with layers of the organic matrix. As a result, the macrostructural organization of the spicule is a system of the “cylinder-within-a-cylinder” type. relation formation emploiWebnoun In botany, the empty frustule of a diatom. noun A fine-pointed body resembling a needle: as, ice - spicules. noun A spikelet. noun One of the small projections or points on … production robot arm priceWebspicule - traduction anglais-français. Forums pour discuter de spicule, voir ses formes composées, des exemples et poser vos questions. Gratuit. ... spicule n (biology: small spiked structure) (Biologie) spicule nm : ... English-French Dictionary spicule. relation formationWebCnidocytes (‘stinging cells’) are specialized cells that define the phylum Cnidaria (sea anemones, jellyfish, corals and hydras). They contain an “explosive” organelle called cnidocyst that acts as a 600 million-years-old microscopic injection system and is important for prey capture and anti-predator defense. relation force coupleWebspicule noun spic· ule ˈspi- (ˌ)kyül 1 : a slender pointed usually hard body especially : one of the minute calcareous or siliceous bodies that support the tissue of various invertebrates (such as sponges) 2 : a spikelike short-lived prominence appearing close to the … production roll out meaning