Clinical tuberculosis . Kig. 14.—Showing the drainage from the oropharynx into the deep cervical glands. (Most.) LYMPHATIC DEFENSE OF THE CHILD 95 fectiou. This struggle goes on until the resisting power of near-ly every child is overcome by the tubercle bacillus to the extentthat infection is established. Coincident with infection goes another process, that of the pro-duction of specific immunity. The child takes a few bacilli intothe body and they are destroyed. Being destroyed their bodiesgo into solution. The specific products derived from the bodiesof the tubercle bacillus are set free. S
Clinical tuberculosis . Kig. 14.—Showing the drainage from the oropharynx into the deep cervical glands. (Most.) LYMPHATIC DEFENSE OF THE CHILD 95 fectiou. This struggle goes on until the resisting power of near-ly every child is overcome by the tubercle bacillus to the extentthat infection is established. Coincident with infection goes another process, that of the pro-duction of specific immunity. The child takes a few bacilli intothe body and they are destroyed. Being destroyed their bodiesgo into solution. The specific products derived from the bodiesof the tubercle bacillus are set free. Specific products are also. Fig. 15.—Showing the peribronchial and peritracheal glands. (Sukiennikow.) given out into the tissues from the focus of infection when it hasbeen established. These bacillary substances stimulate the bodycells and make them sensitive to further inoculations with tuber-cle bacilli or their products and cause them to produce specificprotective enzymes which both remain attached to the cells andare cast off into the circulation. The result is that in this way agradually increasing, specific resisting power is built up until the 96 TUBERCULOSIS IN CHILDHOOD individual is able to withstand large doses of bacilli, while largeuumbers at first would be fatal. In this eouneetioii the animal experiments of Webb and Wil-liams^ are extremely interesting. By the systematic inoculationof guinea pigs with increasing numbers of tubercle bacilli Webbhas been able to produce such a state of innnunity in the animalthat it is capable of withstanding as much as 150,000 tuberclebacilli at a single inocul
Size: 1344px × 1858px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublisherstlou, bookyear1922
