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.
Basal cell carcinoma (BCC) is the most common skin cancer in humans, yet it accounts for less than 0.1% of patient deaths due to cancer. Basal cell skin cancer tumors typically appear on sun-exposed skin, are slow growing, and rarely metastasize (0.028-0.55%).