Diagram the cell lineage of motor neurons, including all differentiated tissue types that asyn we have covered between zygote and motor neurons. em rogarito 7 zugte epiblast Inner cell hypoblast – mesoderm cells” trophoblast moss 15. Briefly describe two ways that stem cell populations maintain themselves. neuron the stem cell populatys maintain themselves by staying bwithin the stem cell niche Onie they are in a high and of Wat they con proliferate without diffecstating they stay attached to the lumen and divide horizontally