B

bacillus. A genus of schizomycetes, the most important group of bacteria.

bacteria. Microorganisms, microbes, schizomycetes.

benign. Not malignant; mild.

betaeucaine. A local anesthetic used as a substitute for cocaine.

bi. A prefix denoting two, twice or double, as biceps—two heads.

bicarbonate. A compound of two equivalents of carbonic acid and one of a base.

bichloride. A chloride with twice as much chlorin as a protochloride.

blast. Germ, as in blastoderm, the primitive cell layer in the beginning embryo, consisting of three layers.

blastomycetes. Yeasts; budding fungi.

blistering. Producing a blister.

brain. The large mass of nerve tissue contained in the cranium, especially the cerebrum.

bromide of potassium. A salt of potassium.

bromidrosis. Fetid or foul smelling perspiration.

bubo. Enlargement of a lymphatic gland usually in the groin.

budding. Gemmation. A form of tissue division by a bud-like process.

bulla. A large bleb or blister.

bunion. An inflammatory swelling of the bursa over the metatorsophalangeal joint of the great toe.

bursa. A small sac interposed between movable surfaces.

bursitis. Inflammation of a bursa.

buttock. The prominence formed by the gluteal muscles of either side.