And we don't even know how many types of cells there are!
But because embryonic stem cells can proliferate indefinitely and grow into many types of cells, medical experts see them as the building blocks of "regenerative medicine".
During the development of the embryo, the epicardium turns into the many types of cells seen in the heart and surrounding blood vessels.
They are also the source of embryonic stem cells, which scientists say hold great promise for curing human disease because they can grow into many types of cells.
The prostaglandins are a group of fatty acids produced by many types of cells.
In adults most cell division is involved in tissue renewal rather than growth, many types of cells undergoing continuous replacement.
While many types of cells contain only one or several Golgi apparatus, plant cells can contain hundreds.
The dispute is over Clinton administration rules that would allow federal financing for research on embryonic stem cells, considered to have great medical promise because of their potential to grow into many types of cells.
The Biohub's initial projects will include the Cell Atlas Initiative to map all the many types of cells that make up the human body – a task similar in some ways to the Human Genome Project, but exponentially more complicated.
Applied EFs guide migration of many types of cells, including endothelial cells to migrate directionally.
Many types of cells methylate phospholipids using two methyltransferase enzymes that are asymmetrically distributed in membranes.
