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 the most common form of skin cancer, consisting of an epithelial tumor of the skin originating from neoplastic differentiation of basal cells, rarely metastatic but locally invasive and aggressive.asal cell carcinoma (BCC) A slow growing tumour derived from the basal cells of the epidermis of the skin. It is mainly located on the head and neck and most commonly on the eyelids, especially the lower eyelid.