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.
ACh binds to neuronal nicotinic acetylcholine receptors (nAChRs) located on postganglionic neurons. Nicotinic AChRs are the main mediators of ganglionic fast synaptic transmission, and, in this respect, they function as an interface between nervous system and peripheral organs.his article focuses on the role of nicotinic acetycholine receptors (nAChRs) in the control of organ systems innervated by the autonomic nervous system. As the main mediators of fast synaptic transmission in ganglia, nAChRs are key molecules for the processing of neural commands directed to the peripheral organs.