endocytosis
noun
- A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
Wiktionary
Pronunciation: /ˌɛndəʊsaɪˈtəʊsɪs/
noun
- The process by which the plasma membrane of a cell folds inwards to ingest material.