The branch of biology that studies spines, thorns, prickles, and other sharp structures in plants and animals.
From Greek 'akantha' (spine, thorn) + '-logia' (study, knowledge), literally meaning 'the study of spines.'
Acanthology exists as an actual field of study, proving that scientists found something important to learn from spines—they protect plants, signal danger, and evolved in countless clever ways!
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