Bacillus (bas-il'us), pi., bacilli. 1

Cohn's name for a genus of Schizomycetes belonging to the family Bacteriaceae. 2. In anatomy one of the rods of the retina, also any rodlike body. 3. In pharmacy, a medicated bougie or candle (candela fumalis). anthrax b. See B. anthracis in table. B. abortus. The cause of contagious abortion in cattle. B. aceti. A long cylindrical cell of varying size found in vinegar manufactories; probably Bacterium aceti. B. acid i lactic i. A term formerly applied to a number of bacilli which give rise to the lactie acid fermentation in milk. See Bacilli of lactic acid fermentation. It is, however, now restricted to the species described by Hiippe, which is one of the four subdivisions of the B. col i group. B. acidophilus. A