Definition of lamellipodium in English:


Line breaks: la¦melli|podium
Pronunciation: /ləˌmɛlɪˈpəʊdɪəm

noun (plural lamellipodia)

  • A flattened extension of a cell, by which it moves over or adheres to a surface.
    More example sentences
    • Many models are based on the fact that the actin polymerization is a major contributor to the protrusive force, which leads to the extension of the lamellipodia of crawling cells on a hard substrate.
    • In cells without a lamellipodium, the lamella reached all the way to the leading edge and the pattern of turnover did not deviate from its randomness, even in phases of pronounced protrusion.
    • In these motile cells, lamellipodia of various shape are continually extended in different directions.



More example sentences
  • Third, as far as the diffusion-limited growth is concerned, our estimates were made for the steadily protruding lamellipodial leading edge.
  • Kymographic analysis of EGF-stimulated lamellipodial dynamics revealed that the temporal stability of lamellipodial protrusions similarly increased with fibronectin concentration.
  • Another possible role of relatively rigid actin bundles embedded into the lamellipodial actin sheet is to strengthen the lamellipodium against buckling, by analogy with engineered macroscopic structures.


1970s: from lamella, on the pattern of pseudopodium.

More definitions of lamellipodium

Definition of lamellipodium in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody