The centrosome is the main microtubule organizing center (MTOC) of

The endoplasmic reticulum (endoplasmic meaning "within the cytoplasm," reticulum meaning "little net" in Latin) or ER is

In biology, an endosome is a membrane-bound compartment inside cells. Many endocytotic

The Golgi apparatus (also called the Golgi body, Golgi complex, or dictyosome) is an organelle

Lysosomes are organelles that contain digestive enzymes (acid hydrolases). They digest

In cell biology, a mitochondrion (plural mitochondria) (from Greek μιτος or mitos, thread + κουδριον or khondrion, granule) is

In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, kernel) is a membrane-enclosed

The cell membrane, also called the plasma membrane or plasmalemma, is a semipermeable lipid