This type of MDS is similar to RAEB-1 except the bone marrow contains more blasts â between 10% and 20% of the bone marrow cells are blasts. The blood also contains more blasts: between 5 and 19% of the white blood cells in the blood are blasts.The blasts may contain Auer rods.he number of blasts (very early cells) in the bone marrow is less than 5% and none of the blasts contain Auer rods (an abnormality seen in some leukemia cells). Blasts are rare or absent in the blood. RCMD changes into leukemia in about 10% of patients. Having this type of MDS will shorten a personâs life.
Answers.comÂ® is making the world better one answer at a time. The first phase of European overseas expansion began in the early fifteenth century with Portugal's exploration of the West African coast. They were seeking legendary gold mines and a way to circumvent the trade routes controlled by Muslims.
The 1880s mark the beginning of the colonial period in African history. While Europeans and Africans had established relationships in a variety of settings for centuries, the 1880s mark a major turning point in European attitudes toward Africa.Three primary developments explain increased European involvement in Africa.anya-Forstner 4 (1969), for example, contended that the impetus came from the âmen on the spot.â He argued that we should focus on Europeans already in Africa to explain why Europe colonized Africa. The prime example is the actions of a small French military regiment in Senegal in the mid-19 th century.