Plutonium Appearance & Characteristics. Radioactive and toxic. Plutonium is a silvery radioactive metal that tarnishes in air to give a yellow oxide coating. It has six allotropic forms, which vary widely in crystal structure and density. The metal is chemically reactive, forming compounds with the halogens, carbon, nitrogen, and silicon.
Rickets is a condition that affects bone development in children. It causes the bones to become soft and can lead to bone deformities. It is often characterised by an appearance of bowed legs. In adults, it is known as osteomalacia or soft bones.
Rickets. Normal versus Rickets. Normal versus Normal rachitic growth plates Note the homogenous thickness in the normal bone while the rachitic bone shows a severe focal thickening of the growth plate. Thickening of the growth plate can be detected by gross or radiological examination.here are also thin cortices and an enlarged medullary cavity.Causes of osteoporosis include starvation, parasitism, chronic wasting diseases, deficiencies of calcium and copper, hyperadrenocorticism, and prolonged administration of steroids.