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.
There are two types of exocrine secretions produced by the pancreas. Acinar cells produce digestive enzymes: amylase, lipase, and peptidases.ancreatic Secretion. There are two types of exocrine secretions produced by the pancreas. Acinar cells produce digestive enzymes: amylase, lipase, and peptidases. Pancreatic peptidases are produced as inactive zymogens that are only activated after they reach the duodenum (see webpage on Zymogens).