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  • Title: Effect of endoxan (cyclophosphamide) on the post-natal growth of long bones in the white mouse.
    Author: El-Rehim MA, Zaafarani R, Kamal AM, Ebada M.
    Journal: Acta Anat (Basel); 1980; 107(4):384-8. PubMed ID: 7405527.
    Abstract:
    12 new-born mice were used in this work (6 controls). One group of mice was injected with endoxan (cyclophosphamide) diluted in saline at a daily dose of 0.003 microgram/g body weight for 30 days; control animals were injected with saline. After a survival period of 45 days, the animals were sacrificed and the thigh was dissected to extract the femur. It was found that the epiphyseal cartilage was greatly thinned after post-natal administration of endoxan. The cartilage cells became smaller, irregular and lost their regular palisade arrangement. The matrix was increased and stained deeply with HE. A dense layer of bone was deposited under the epiphyseal cartilage, a condition known as epiphyseodesis. This means that endoxan not only caused retardation of growth of long bones, but is also caused premature closure of the epiphysis.
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