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| 1. |
What are the clusters of cells that gets attached to the uterine wall during foetal development |
| Answer» OTE will spend SEVERAL days making its way down the FALLOPIAN TUBE. During this time, it develops into a morula, a ball of 12–15 CELLS. As time goes on, it will become a bigger collection of cells called a blastocyst. At week 4, the blastocyst implants into the wall of the uterus. | |