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  • Book
    Thomas F. Freddo, Edward Chaum.
    Contents:
    The orbits
    Eyelids and adnexa
    Overview of the eye
    Cornea
    Conjunctiva and limbus
    Sclera, episclera, and tenon's capsule
    Iris
    Ciliary body
    Aqueous outflow pathways
    Lens
    Vitreous
    Choroid and choroidal circulation
    Sensory retina
    Retinal pigmented epithelium
    Optic nerve
    Embryology of the eye
    Anatomy of the eye as seen by OCT.
    Digital Access
    Provider
    Version
    Ovid
    2018
    LWW Health Library
    2018
  • Article
    Goldman P, Wheeler LA, Carter JH, Ingelfinger JA, Soderberg FB.
    Am J Clin Nutr. 1977 Nov;30(11):1921-6.
    An association of the histidine auxotroph of Salmonella typhimurium (strain TA1538) within the gastrointestinal tract of otherwise germ-free Sprague-Dawley rats is maintained during observations for up to 7 months. The bacteria exceed concentrations of 10(7)/g in the forestomach and exceed concentrations of 10(8)/g in the lower bowel and feces. When carcinogens are ingested, the number of revertants in the feces increases. The ingestion of structurally related compounds which are not mutagenic to the bacteria in vitro and for which no evidence of carcinogenicity exists does not increase the number of revertants in the feces. The numbers of salmonella are increased by the addition of Lactobacillus plantarum and Bacteroides fragilis but the salmonella disappear from the gastrointestinal tract when the rats are conventionalized. With the additional flora, there is a decrease in the number of revertants appearing in the feces in response to a given dose of carcinogen. This decrease may reflect an effect of the flora on the activity of the metabolic pathway responsible for the presence of the ultimate carcinogen or it may simply be an effect on the salmonella mutants themselves.
    Digital Access Access Options