Definition of "lysosome" [lysosome]

• A membrane-bound organelle in the cytoplasm of most cells containing various hydrolytic enzymes that function in intracellular digestion. (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.

• "With their modification, which they call the lysosome patch clamp, the researchers determined that a protein called TRPML1 serves as the calcium channel in lysosomes and that a lipid known as PI (3,5) P2 carries the signal that activates the protein."
• "With their modification, which they call the lysosome patch clamp, Xu's group was able to record TRPML1 activity in the tiny lysosome."
• ""This gene is involved in a process where the waste products of the cell are removed from the cell and processed in something called a lysosome, which is kind of the garbage can of the cell, the organelle that takes all the waste out of the cell and processes it so the cell doesn't poison itself," explained Marion."