wound

In order for DNA to fit within a cell's nucleus, it is wound up around histone proteins to form a structure called "chromatin."

Fibroblasts are specialized cells in connective tissues that play an important role in wound healing and tissue repair.

"They’ve already been through so much — and each time it happens, it kind of rips apart an old wound," he said of his clients.

Within minutes, the mother of seven and grandmother of 14 lay dying in the dust of the olive grove, with a bullet wound in her chest - she’d been shot by an Israeli soldier.

MSF says that on 11 November one of its ambulances carrying three young men with gunshot wounds was stopped by Haitian law enforcement officers.