What Are Spicules?

Answer

Spicules are small, needle like particles from sponges or corals. When snorkeling you can stir up spicules on the bottom of the sea, which get on your sin and cause irritation.
2 Additional Answers
Ask.com Answer for: what are spicules
spic·ule
[spik-yool]
NOUN
1.
a small or minute, slender, sharp-pointed body or part; a small, needlelike crystal, process, or the like.
2.
Zoology one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates.
3.
Astronomy a jet of gas several hundred miles in diameter rising from the sun's surface to heights of 3000 to 6000 miles (4800 to 9600 km).
Source: Dictionary.com
Spicules are tiny spiky structures that are categorized by size and are found in the legs of frogs. They are used for structure and are categorized in four types such as Monaxon, traxon, tetraxon and polyaxon. You can find more information here: http://en.wikipedia.org/wiki/Spicule
Q&A Related to "What Are Spicules"
Spicules are small, and needlike in image. They are a part of the calcium carbonate processes that help in supporting the fleshy tisues of invertebrates like sponges.
http://answers.ask.com/Science/Biology/what_are_sp...
Spicules are spiny structures of sponges, used to harden their outside and deter predators, making them harder to chew and digest. They can be made of a range of substances including
http://wiki.answers.com/Q/What_is_a_spicule
The formation of new bone begins with the development of a bony matrix made up of bone spicules. These spicules are made up of networks of thin fibers with calcified deposits interwoven
http://www.ehow.com/facts_7505677_bone-spicule.htm...
Spicules:1:small pointed structure serving as a skeletal element in various marine and freshwater
http://www.chacha.com/question/what-are-spicules
Explore this Topic
The spicules in a sponge have been thought to function as a sort of skeleton for the sponge. As spicules feature a mineralized composition, their structural materials ...
The adaptation of a spicule in a sponge is small, needle-like structure positioned among the cell layers of a sponge. The spicule provides strength in the sponge ...
Spicules are composed of sclerocytes, which are derived from archaeocytes. They have different uses such as copulation in certain nematodes and structural functions ...
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