spicules is a form of:

Spicule



Same as: spicula
noun
1.
(វេជ្ជសាស្ត្រ) បំណែកតូចៗរបស់ឆ្អឹង
ENGLISH MEANING
noun
1.
A minute, slender granule, or point.
2.
Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria.