Look up spicule in Wiktionary, the free dictionary.

Spicules are any of various small needle-like anatomical structures occurring in organisms

Spicule may also refer to:

• Spicule (sponge), small skeletal elements of sea sponges
• Spicule (nematode), reproductive structures found in male nematodes (roundworms)
• Spicule (solar physics), jets of solar material from the Sun
• Spicule (glass manufacture), glass flakes formed in the production of glass vials.

• Ossicle, any various small bones
• Process (anatomy), any outgrowths of tissue
• Sclerite, hardened body parts of invertebrates
• Spikelet, the inflorescence of grasses
• Stylet (anatomy), a piercing structure
• Tubercle, wart-shaped outgrowths of body tissue

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