Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Cells. Tissues. Organs. Organ systems. And the organism itself.

Implementing this eFLASH system ... in cells across whole brains of mice and rats; whole mouse embryos; other whole mouse organs, including lung and heart; and blocks of brain tissue from larger ...

The human body is composed of over 37 trillion cells, each with a limited lifespan. These cells are continuously replaced to maintain organ and system function ... support the tissues of the ...