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  • Experiment on excretion of Carbonic acid gas by animals.
  • An academic doctoral disputation, in which the production of a medical thesis is compared to human excretion. Aquatint by J.F. Martin after L.J. Desprez, 179-.
  • An academic doctoral disputation, in which the production of a medical thesis is compared to human excretion. Aquatint by J.F. Martin after L.J. Desprez, 179-.
  • Engraving showing Sanctorio sitting in the balance that he constructed to determine the net weight change over time after the intake and excretion of food stuffs and fluids
  • Cholera : caused by food infected by the excretions of a previous case : how to prevent ... / Shanghai Municipal Council Public Health Department.
  • Two examples of a penis with a diseased glans and excreting pus. Chromolithograph, c. 1888.
  • Two examples of a diseased penis: the first with a grossly swollen glans and the second excreting pus. Chromolithograph, c. 1888.
  • A monster being fed baskets of infants and excreting them with horns; symbolising vaccination and its effects. Etching by C. Williams, 1802(?).
  • A monster being fed baskets of infants and excreting them with horns; symbolising vaccination and its effects. Etching by C. Williams, 1802(?).
  • Lord North and Fox excreting into a pan bearing the Royal Arms, a little devil is mixing the stench between them; implying the appalling effects of the coalition government. Etching by J. Gillray, 1783.
  • Fox running out of the House of Commons in the middle of a debate with William Pitt the younger about the Regency crisis: he is excreting as he runs, which refers to a bout of dysentery he caught on route from Bologna. Etching by J. Gillray, 1788.
  • Vitamin C imaged with polarised light. Vitamin C (ascorbic acid) is an important vitamin, essential for collagen formation and wound healing, it also facilitates to absorption of iron. A good source of vitamin C is found in a variety of fruit and vegetables, notably citrus friuts, kiwi and broccoli. It is a water soluble vitamin so is excreted by the body and, therefore, needs to be ingested regularly. A lack of vitamin C causes scurvy.
  • Vitamin C imaged with polarised light. Vitamin C (ascorbic acid) is an important vitamin, essential for collagen formation and wound healing, it also facilitates to absorption of iron. A good source of Vitamin C is found in a variety of fruit and vegetables, notably citrus friuts, kiwi and broccoli. It is a water soluble vitamin so is excreted by the body and, therefore, needs to be ingested regularly. A lack of Vitamin C causes scurvy.
  • A glomerlus in the kidney
  • Mouse renal glomerulus (Mus musculus)
  • SEM section through kidney tubule, computer-coloured red.
  • SEM section through kidney tubule, computer-coloured red.
  • SEM section through kidney tubule
  • SEM section through kidney tubule, computer-coloured red.
  • Human proximal tubule, tubular structure, SEM
  • Urea crystals
  • Hippuric acid crystals
  • Human proximal tubule, tubular structure,SEM
  • Human proximal tubule, tubular structure,SEM
  • Kidney cell showing nucleus and mitochondria
  • Indigestible particle of food
  • Urea crystals
  • Urea crystals
  • Urea crystals
  • Chart: pregnancy