. The bacteriology of the eye. r. f. Bakt., 1906, xxxviii., Eef., pp. 176 and 663,etc.). Some time ago I obtained a particularly marked example ofthis variety in a culture from an ulcus serpens (see Fig. 34). Wirtz1 found an organism on the conjunctiva which showed all the peculiaritiesof the Streptococcus mucosas given by Schottmiiller and Schuhrnacher, but hadno elongated forms. This organism was obtained from an old case of trachoma,which had peculiar glutinous masses of secretion, almost cell-free, and so adhesivethat they could be drawn out into threads like elastic. The conjunctiva appea
. The bacteriology of the eye. r. f. Bakt., 1906, xxxviii., Eef., pp. 176 and 663,etc.). Some time ago I obtained a particularly marked example ofthis variety in a culture from an ulcus serpens (see Fig. 34). Wirtz1 found an organism on the conjunctiva which showed all the peculiaritiesof the Streptococcus mucosas given by Schottmiiller and Schuhrnacher, but hadno elongated forms. This organism was obtained from an old case of trachoma,which had peculiar glutinous masses of secretion, almost cell-free, and so adhesivethat they could be drawn out into threads like elastic. The conjunctiva appearedto be in a state of very slight irritation ; still, the secretion remained chronic, andthe case became complicated by a very severe corneal ulcer. Diplococci werefound in the secretion; they were round or slightly flattened at their points of 1 Be Conjunctivitis with peculiar secretion caused by the Streptococcus mucosas, seeK. 21. f. A., October, 1906, Bd. ii., where the rest of the bacteriological literature willbe is.; BACTERIOLOGY OF THE EYE contact, and were never elongated. The cocci were Gram-positive, and hadwide baggy capsules, which were easily stained by the methods of Klett or of —Bluish-grey colonies the size of a pins head grow on gelatine at 25° liquefaction. In bouillon a slight transient opacity, accompanied by aslight slimy deposit, occurs after twenty-four hours. Growth is better in grape-sugar bouillon ; in blood bouillon the blood sinks in clumps to the bottom, withpartial haemolysis. On agar grey colonies grow to the size of a pins head or larger;these, when they are closer together, form a slimy scum on the surface. Blood-agar clears in the vicinity of the individual colonies, and takes on a greenish blood-serum growth is analogous to that on agar, but is not so vigorous. Thebest growth is obtained on litmus-nutrose agar. Milk coagulates in four lactose becomes slightly red in forty-eight hours.
Size: 1572px × 1589px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidbacteriolo, booksubjecteye
