Plate IX: Uric Acid Crystals

2023-01-10T15:33:30-05:00

Plate IX depicting tissue samples and uric acid crystals in various forms. The figures are identified as follows:

Figure 1: Shred Of Tissue (part of a tumour) passed with the urine, consisting of closely packed cells (mostly epithelial) covered with acicular crystals and a few rhombic plates of haematoidin.

Figure 2: Naked eye appearances of some urinary sediments.

Figure 3: Uric Acid Crystals, including whet-stone, spindle, barrel, rectangular, and quadratic forms...[illustrating irregular modes of growth and pigmentation].

Figure 4: Uric Acid Crystals in the form of regular and irregular whet-stone crystals grouped in various ways.

Figure 5: Uric Acid Crystals in rosettes and sunflower forms.

Figure 6: Uric Acid Crystals in "drusy forms."