extracellular是什么意思，extracellular翻译

extracellular是什么意思，extracellular翻译

Extracellular

In the field of cell biology, the term "extracellular" refers to the environment outside of a cell. This includes the fluid, tissues, and organs that surround and interact with cells. The extracellular environment plays a crucial role in the functioning and survival of cells, and researchers have long been fascinated by the complex interplay between cells and their surroundings.

One of the most important aspects of the extracellular environment is the presence of extracellular matrix (ECM). The ECM is a complex network of proteins and carbohydrates that provides structural support to cells and tissues, and also regulates cell behavior. It is found in all tissues and organs, and plays a critical role in processes such as cell adhesion, migration, and differentiation.

The extracellular environment also contains a variety of signaling molecules, including growth factors, hormones, and cytokines. These molecules communicate with cells and regulate various biological processes such as cell growth, proliferation, and apoptosis. They can act over short distances, such as through cell