The battery pack can be upgraded to hold more power by collecting cells found in various locations around the Fort.

They collected cells from the mouth secretions of the lizards and cataloged the genes that were active in them.

The doctor may take a sample of the discharge or do a Pap test to collect cells from your cervix for further examination.

Sometimes, however, a much milder procedure is followed, where the aim is to collect whole, intact cells.

It seemed the surgeons doing the exploratory on Timber's body might be collecting cells for close examination.

Saline is then delivered though the catheter to rinse the duct and collect cells, which are sent to a laboratory.

A plastic spatula and small brush are used to collect cells from the cervix.

It gives battery manufacturers a cradle-to-grave responsibility for those types of batteries and requires them to plan to collect used cells.