Having the shape or form of an almond; almond-shaped.
From Latin amygdala (almond) + -form (form/shape). This combines the almond root with the Latin -formis, creating a descriptor for anything resembling an almond. The term became common in anatomy and botany during the 19th century.
The human brain's amygdala is named for this exact property—ancient anatomists thought it looked like an almond! This demonstrates how observant early scientists were about nature, using everyday objects to describe things they'd never seen before under a microscope.
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