The period foregrounded electron microscopy as a key method for revealing the bone mineral as nanoscale crystals with defined size and orientation, clarifying how inorganic crystals relate to the organic matrix and providing a microscopic basis for bone mineralization theories that spurred subsequent materials-science and osteoporosis research. Concurrently, attention intensified on vascular and soft-tissue components, with detailed mapping of the arterial architecture around the hip that enabled parcellation of the proximal epiphysis by vascular form and informed imaging-guided understanding of blood supply and avascular necrosis risk. Turnover and growth were increasingly quantified through calcium-45 tracer methods, linking formation rates to mineral pools and shaping early metabolic-bone research directions.