PATHOLOGY

A gross examination of a dead body revealed the skin‘s pallor and a yellowness of a sclera. Livores mortis were not defined. The volume of blood in a heart and large vessels was reduced. A blood looked aqueous. In a skin, mucosa and serous membranes there were petechial hemorrhages. The internal organs, especially a spleen, a liver and kidneys had a rusty color on a cut. A bone marrow of flat bones was a crimson-red and succulent. In cortical [tubular, cylindrical] bones it looked like a crimson jelly. Name the disease, connected with a deficiency of vitamin 12.