Sentence Examples


  • Should these remain unbroken they constitute a natural barrier to the penetration of most pathogenic and other forms of germ-life into the parts beneath.
  • By the continuous injections under the skin, in increasing doses, of the toxins of certain pathogenic micro-organisms, such as that of diphtheria, an animal-usually the horse-may be rendered completely refractory to the disease.
  • Very many of the common domestic mammals can be successfully infected (either thus accidentally or else on purpose) with different " pathogenic " Trypanosomes, to which they succumb more or less readily, but they cannot be regarded as the natural hosts of those Trypanosomes.
  • Similarly with regard to the many other pathogenic Trypanosomes now known, there is undoubtedly, in each case, some indigenous wild animal tolerant of that particular form, which serves as a " latent source of supply " to strange mammals.
  • The vast majority of these organisms are not pathogenic, most are harmless and 4.,52 5.20 5.20 FIG.