Definition of "endocytosis" [endocytosis]

• A process of cellular ingestion by which the plasma membrane folds inward to bring substances into the cell. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "LRP1 is also up-regulated in many tumors, therefore once in the brain, GRN1005 may gain entry into tumor cells using the same receptor by a process known as endocytosis."
• "Nerve cells use this same vesicle-making mechanism, called endocytosis, to maintain signaling from one cell to another."
• "The binding protein, endophilin-A plays an important role in regulating synaptic vesicle endocytosis, that is the formation, as well as recycling of synaptic vesicles."