IPA: /ˈræfaɪd/
KK: /ˈræfaɪd/
A type of needle-shaped crystal found in some plant cells, often made of calcium oxalate, that can occur in bundles.
The raphides in the plant's cells help deter herbivores by causing irritation.
Raphide → It is derived from the Greek word "raphis" (ῥάφις) meaning "needle" or "thorn". The term refers to needle-like structures found in certain plants, particularly in the form of calcium oxalate crystals.
Imagine a tiny 'needle' ('raphis') that plants use for protection — that's why raphides are those needle-like structures.