Duration of G is highly variable, even among different cells of the same species.
Instead of building up through hard-won cooperation among tiny cells, life on Jupiter-type worlds was large from the start.
Current research shows that in many cancers there is apparent hierarchy among cells.
The large scale coordination among cells provided by the nervous and endocrine system is brought to the readers' attention.
Morphology can be measured by indexes which characterize shape changes of differences among cells.
Open model: There are sinks or/and sources among cells.
In this case observations are divided among cells.
All of the applications, however, involve simple networks with no more than 100,000 interconnections among cells.
Such structural variations could lead to different firing rates among cells, making some better at processing fast speech sounds.
Hormones are chemicals used to communicate among cells of an individual organism.