spicule


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Related to spicule: spongin

spic·ule

 (spĭk′yo͞ol) also spic·u·la (-yə-lə)
n. pl. spic·ules also spic·u·lae (-yə-lē)
1. 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.
2. Astronomy A spike-shaped formation emanating from the ionized gas of the solar photosphere.

[Latin spīculum; see spiculum.]

spic′u·lar (-yə-lər), spic′u·late (-yə-lĭt, -lāt′) adj.

spicule

(ˈspɪkjuːl)
n
1. (Biology) Also called: spiculum a small slender pointed structure or crystal, esp any of the calcareous or siliceous elements of the skeleton of sponges, corals, etc
2. (Astronomy) astronomy a spiked ejection of hot gas occurring over 5000 kilometres above the sun's surface (in its atmosphere) and having a diameter of about 1000 kilometres
[C18: from Latin: spiculum]
spiculate adj

spic•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.

spic·ule

(spĭk′yo͞ol)
A needle-like structure or part, such as one of the mineral structures supporting the soft tissue of certain invertebrates, especially sponges.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spicule - small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and coralsspicule - small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
appendage, outgrowth, process - a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
Translations

spic·ule

n. espícula, cuerpo en forma de aguja.
References in periodicals archive ?
The longer left spicule exhibited a tapering distal end and a disc like expansion at about one third of its length behind the proximal region (Fig.
Fundus changes in retinitis pigmentosa include waxy pallor of optic disc (black arrow), arteriolar attenuation (white arrow head) and bony spicule pigmentation (white arrow) in the mid-peripheral fundus, which is predominantly populated by rods.
A study of nail-head spicule inclusions in natural gemstones.
Species identification was determined from spicule morphology of megascleres, microscleres, and gemmoscleres (Penney and Racek, 1968) and independently confirmed by M.
Four pairs of papilla (three pairs in pre-anal and one pair in post-anal) and one pair of spicule are seemed.
The copulatory spicule was described by Zunino (1972) as "spicola copulatrice" for the genus Euonthophagus Balthasar.
In contrast, spicule emission linewidths from H[beta], H[gamma], H[epsilon], the D3 line from He, and the neutral line from oxygen are all sharp [234].
Permanent spicule preparations and tissue sectioning were performed following standard procedures (see Rutzler, 1978; Zea, 1987).
Recurrence was defined as evidence of ingrowth of the nail edge or spicule formation.