spicule(redirected from bony spicule)
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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.
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]
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.
A needle-like structure or part, such as one of the mineral structures supporting the soft tissue of certain invertebrates, especially sponges.
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|Noun||1.||spicule - small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals|
n. espícula, cuerpo en forma de aguja.