lamellipodium

noun
la·​mel·​li·​po·​di·​um | \ lə-ˌmel-i-ˈpō-dē-əm How to pronounce lamellipodium (audio) \
plural lamellipodia\ -​dē-​ə How to pronounce lamellipodia (audio) \

Medical Definition of lamellipodium

: any of the motile sheetlike cytoplasmic extensions characteristic of some migrating cells (as macrophages)

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