organelle
C2Pronunciation
UK
- /ˌɔːɡənˈɛl/
US
- /ˌɔr.ɡənˈɛl/noun
Description
- Tiny organs inside cells
- cell component
- cellular structure
Imagine your body is a bustling city. You have organs like the heart and lungs that keep everything running smoothly. Well, inside each of your cells are even smaller "organs" that do special jobs. These tiny parts help keep the cell alive and working by making energy, building proteins, and cleaning up waste. Without them, a cell could not survive, just as your body could not work well without its organs.
Think of it this way: if a house is a cell, then the kitchen is one part, the bedroom is another, and the plumbing system is another. Each part has its own job, and together they help the whole house work properly.
The word "organelle" literally means "little organ," and that is exactly what it refers to: a small part inside a cell that carries out a special job, much like an organ does in your body. Cells are the basic units of life, but they are not just empty bags. They are complex, active places filled with these tiny working parts.
There are many different types of organelles, each with its own unique job. The nucleus is often called the "control center" because it stores the cell's genetic information (DNA). Mitochondria are the "powerhouses" that generate energy for the cell. Ribosomes build proteins, and lysosomes act like recycling centers, breaking down waste materials. The endoplasmic reticulum and Golgi apparatus work together to process and package molecules. Even plant cells have special organelles called chloroplasts, which allow them to perform photosynthesis!
These structures are not just floating around randomly; they are arranged inside the cell in ways that help the cell run well. Many are surrounded by membranes that keep their activities separate and organized. Studying organelles helps scientists understand how cells work, how diseases develop, and how life has changed over time.
So, next time you think about a living thing, remember that it's not just made of cells—it's made of cells filled with tiny organs called organelles, all working together to keep everything alive!
Examples
- 1
Cell diagram
The diagram labels each organelle inside the plant cell.
- 2
Cell function
Different organelles work together to keep the cell alive.
- 3
Bacteria comparison
Bacteria do not have the same membrane-bound organelles as animal cells.
Meaning
membrane-bound
surrounded by a thin outer layer
Forms and spellings
2 forms open this card.
Main spelling
- organellenoun
Forms
- organellespluralnoun