spicule

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spicule

 [spik´ūl]
a sharp, needle-like body or spike.

spic·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, a point]

spicule

/spic·ule/ (spik´ūl) a sharp, needle-like body.

spicule

(spĭk′yo͞ol) also

spicula

(-yə-lə)
n. pl. spic·ules also spic·ulae (-yə-lē)
A small needlelike structure or part, such as one of the silicate or calcium carbonate processes supporting the soft tissue of certain invertebrates, especially sponges.
spic′u·lar (-yə-lər), spic′u·late (-yə-lĭt, -lāt′) adj.

spicule

[spik′yo̅o̅l]
Etymology: L, spiculum, point
a small sharp body with a needlelike point.

spic·ule

(spik'yūl)
A small, needle-shaped body.
[L. spiculum, dim. of spica, or spicum, a point]

spicule

  1. a small spiked structure in male nematode worms that assists in copulation.
  2. a slender rod of calcium carbonate found in sponges, that supports the soft wall.

spic·ule

(spik'yūl)
A small, needle-shaped body.
[L. spiculum, dim. of spica, or spicum, a point]

spicule

1. a sharp, needle-like body or spike.
2. part of the male genital apparatus in nematodes; they engage the female genital orifice during copulation.
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References in periodicals archive ?
The researchers were able to determine the physical interactions between magnetic fields and solar plasma that generate spicules, helping to understand our nearest star.
Scientists understand the formation of sun's spicules
rahimi in the following characteristic features: Eggs provide with long filaments, right spicules widened with reflected barb at distal tips, tail tips possess a short blunt spine-like structures in both the sexes of R.
Rhabdochona spatulatum, New Species (Nematoda: Rhabdochonidae) from the Freshwater Cyprinid Fish Cyprinion microhpthalmum (Day) in Quetta Division, Pakistan
AQPs also have been identified in sponges, and are associated with dehydration and biosilica hardening in species that synthesize spicules (Muller et al.
Aquaporin in Chondrosia reniformis Nardo, 1847 and its possible role in the interaction between cells and engulfed siliceous particles
The characteristic radiating spicules with the scalloped non sclerotic margins are better appreciated.
Giant hemangioma of face and scalp with intracranial and intra orbital extensions: a rare case report
The 'head' of the spicules in synthetic emeralds is usually composed of grains of synthetic phenakite, beryl, chrysoberyl, gold or other mineralizers (Choudhary and Golecha, 2007).
Fracture-filled synthetic emerald, with synthetic quartz inclusions
Follicular spicules and multiple ulcers: cutaneous manifestation of multiple myeloma.
Multiple minute digitate hyperkeratosis affecting the face and folds: clinical, dermoscopic, and histological report of a familial case
In the present adrenal ML case, BMP2 expression was positive in the matrix adjacent to tumour cells, where bone spicules were also found with osteoblast-like cells.
Coordination of bone morphogenetic protein 2 (BMP2) and aberrant canonical Wnt/[beta]-catenin signaling for heterotopic bone formation in adrenal myelolipoma: A case report
Male worms presented two unequal spicules, relatively slender, rounded anteriorly and pointed posteriorly.
A NEW NEMATODE CAMALLANUS BOOMKERI SP. FROM THE FISH, CHANNA ORIENTALIS (OESTIECHTHYES: CHANNIDAES) IN FRESHWATERS OF PANJGUR, BALOCHISTAN
The chromosphere is characterized by numerous structural features, the most important of which are spicules (see Fig.
Forty lines of evidence for condensed matter--the sun on trial: liquid metallic hydrogen as a solar building block
Some species in Uraba bear siliceous spicules larger than in other Caribbean areas, probably owing to additional silicon input from heavy river discharge in the gulf.
Lista anotada de esponjas (Porifera) de los arrecifes mas meridionales del mar caribe (noroccidente del golfo de Uraba), con la descripcion de nuevos registros para el caribe colombiano
On high-resolution CT, the tumor may contain calcified intratumoral spicules with a honeycomb appearance and cause irregular expansion of the surrounding bone.
Facial nerve hemangioma: a case report
Inspired by the sponges' lightweight but impenetrable defense system, experts from Johannes Gutenberg Universitat (including Muller) and the Max Planck Institute for Polymer Research built a synthetic version of the creatures' spicules (tiny, prickly splinters) using calcite and silicatein-[alpha], a protein from siliceous sponges that catalyzes the formation of silicon dioxide (silica)--the main ingredient in Porifera spicules.
Mixing it up: cost pressures and demands for portability and device miniaturization are prompting the creation of 'new' materials through blending and compounding

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