What is the process by which a cell engulfs and digests solid substances?
Phagocytosis
The vesicle formed around ingested material during phagocytosis; site of digestion.
Phagosome
What is the process by which a cell engulfs droplets of fluid from its surrounding?
Pinocytosis
What is a selective uptake of molecules into a cell by binding to a specific receptor?
Receptor mediated endocytosis
What is the process in which cell membrane is withdrawn by endocytosis and stored as vesicles in the cytoplasm until needed? (during this the vesicle is reinserted into the membrane by exocytosis)
Membrane recycling
What is the process in which intracellular vesicles fuse with the cell membrane and release their contents into the extracellular fluid?
Exocytosis
What is the combination of endocytosis, vesicular transport across the cell, and exocytosis? (used to move macromolecules across an epithelium)
Transcytosis
What is the physiological process by which a cell membrane envelopes a substance and draws it into the cell in a vesicle?
Endocytosis
Uneven distribution of electrical change, especially across a membrane is called?
Electrical gradient
The difference in electrical charge between the inside and outside of an undisturbed nerve cell is called?
Resting Membrane Potential
A membrane potential that is more negative than the resting potential.
Hyperpolarization
A membrane becomes less negative than the resting potential.
Hypopolarization
The electrical voltage due to movement of ions across a membrane.