... epidermis or tu-mor of the skin.Acanthosis The thickening and warty growth of the prickle-cell layer of the skin, e.g., eczema and psoriasis.Acapnia A marked decrease of CO2 in the blood.Acapsular ... Cells of predominantly mono-cyte and macrophage lineage, e.g., macrophage,dendritic cells, and Langerhans cells that cooperatewith T and B lymphocytes for the expression of humoral and/ or ... ca-pable of acetone-butanol fermentation (production of acetone and butanol), e.g., Clostridiumacetobutylicum.Acetone Ethanol Bacteria Bacteria that are ca-pable of production of acetone and ethanol,...