Coated Pits, Cell-Membrane

**Definition:** Specialized regions of the cell membrane composed of pits coated with a bristle covering made of the protein CLATHRIN. These pits are the entry route for macromolecules bound by cell surface receptors. The pits are then internalized into the cytoplasm to form the COATED VESICLES.

**Tree numbers:** - A11.284.149.165.175

**Synonyms:** - Bristle-Coated Pits - Cell-Membrane Coated Pits