The author was referring to the steam holiday gems. They are a new feature (released yesterday) in which a steam user can turn their extra junk cards/backgrounds/emotes into gems.. These gems can be used to buy more cards; or, during the upcoming holiday event only, to bid on games.
Acinar cells. 1  Acinar cells are the exocrine (exo=outward) cells of the pancreas that produce and transport enzymes that are passed into the duodenum where they assist in the digestion of food.
The pancreatic enzymes are produced in cells which are called acinar cells; this part of the pancreas is called the EXOCRINE part of the pancreas. The clumps of acinar cells are found gathered throughout the pancreas; these cells release salts and enzymes into small tributaries which collect and transport this pancreatic fluid (called âpancreatic juiceâ). These small creeks eventually gather and coalesce into the river known as the pancreatic duct.