Callus Collection

Callus, Hackett, Thorpe, Pearson Australia Commonwealth Games 2002 Manchester, England 30 July 2002 Date: 30 July 2002

Cross section biomedical illustration of bone repairing itself with dense, compact bone gradually replacing the callus, and blood vessel regrowth

Healed leg break, X-ray
Healed leg fracture. Coloured X-ray of a healed fracture of the tibia (shin bone) of an adult man. The two ends of the broken bone have healed causing some overgrowth of the bone at the fracture site

Tissue culture of tobacco plant
Biotechnology: tissue culture of the tobacco plant Nicotiana tabacum growing in a petri dish on nutrient agar. The tissue cultures are grown from tobacco calluses

Biotechnology: tissue culture of tobacco plant
Biotechnology: tissue culture of the tobacco plant Nicotiana tabacum growing in a petri dish on nutrient agar. The tissue cultures are grown from tobacco calluses

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"Callus: From Barcelona Massacre to Biomedical Marvels and Beyond" In the depths of history, the name "Callus" resonates with tragedy. The Massacre of Jews in Barcelona in 1391 left an indelible mark on humanity's conscience. But today, we explore a different facet of this word - one that speaks of resilience and healing. Imagine a drawing from 1920 depicting Callus, Hackett, Thorpe, and Pearson working tirelessly to understand the intricacies of bone repair. In a cross-section biomedical illustration, we witness the remarkable journey our bones embark upon after injury. At first glance, we see a clot forming to seal broken blood vessels while fibrous tissue replaces it. This initial phase is like nature's band-aid - protecting us as new beginnings take shape. Soft and spongy callus emerges within the framework provided by fibrous tissue; it acts as scaffolding for our bones' reunion. As time passes, dense and compact bone gradually replaces this temporary structure while blood vessels regrow their intricate network. A healed leg break becomes evident through an X-ray - proof that our bodies possess extraordinary regenerative powers. But let us not confine ourselves solely to human anatomy; let us delve into biotechnology's wonders too. Tissue culture reveals its potential through tobacco plants grown under controlled conditions - each cell multiplying exponentially to create new life. From tragic origins in medieval Spain to modern-day marvels in medicine and science, "callus" has evolved beyond its historical burden. It now symbolizes strength born out of adversity – reminding us that even amidst darkness, there is always hope for growth and renewal.