. Bacteriology and surgical technique for nurses. Surgical nursing; Operations, Surgical; Bacteriology. BACTERIA AS THE CAUSES OF DISEASE. 21 microscopes at our command. The rounded organisms, or micrococci, as they are called, are seldom more than 25-J^o °f an mc^ ^U diameter; the elongated cells average a little more perhaps, and are from x^Jou â 1 n °. pIG< xâVarious forms of bacteria: i and 2, round and oval micro- cocci; 3, diplococci; 4, tetracocci, or tetrads; 5, streptococci; 6, bacilli; 7, bacilli in chains, the lower showing spore-formation; 8, bacilli showing spores, forming dr
. Bacteriology and surgical technique for nurses. Surgical nursing; Operations, Surgical; Bacteriology. BACTERIA AS THE CAUSES OF DISEASE. 21 microscopes at our command. The rounded organisms, or micrococci, as they are called, are seldom more than 25-J^o °f an mc^ ^U diameter; the elongated cells average a little more perhaps, and are from x^Jou â 1 n °. pIG< xâVarious forms of bacteria: i and 2, round and oval micro- cocci; 3, diplococci; 4, tetracocci, or tetrads; 5, streptococci; 6, bacilli; 7, bacilli in chains, the lower showing spore-formation; 8, bacilli showing spores, forming drumsticks and Clostridia; 9 and io, spirilla ; n, spirochete (McFarland). to g^ of an inch in length. Different forms nat- urally vary from this standard of size; but these fig- ures will give a good idea as to the actual size of the forms under consideration. The fungi connected with disease in man are divided into three classes : 1. Moulds, or hyphomycetes. 2. Yeasts, or blastomycetes. 3/ Bacteria, or schizomycetes. Some bacteria, or schizomycetes, induce the various fermentations; while others are productive of putre- faction, and are called saprophytes. Others, again, known as the pathogenic bacteria, are the cause of various diseases; while those which do not ordinarily cause disease are known as the non-pathogenic bac- teria. The chief forms of bacteria are : 1. The coccusâberry-shaped or spherical bacte- rium. 2. The bacillusârod-shaped bacterium. 3 The spirillumâcorkscrew Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stoney, Emily M. A. (Emily Marjory Armstrong). Philadelphia, W. B. Saunders & company
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