Development Egg cells are produced well before birth in a huge number of so called primordial egg cells primordial oocytes. The open and vulnerable state of the egg cell is polar to the closed and robust state of the sperm cells. The sperm cells have hardly any cytoplasm and are concentrated in their nuclear DNA. The development and maturation show increasing divergence, a process of polarization. From a primordial spermcell four sperm cells develop.

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The release of the ovum is compared with the current solid stage of the earth. In men, a very different process is going on.

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When they are mature, ovum and sperm can come together and resolve the polarity in a conception, so that a new human being can be born, that has all the cell shapes that lie between the two extremes. Egg cell and sperm have a polarity and are opposite to each other, we see a double polarity.

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The egg cell develops in one of the two ovaries in the warm abdominal cavity, the sperm develop in the testicles just outside the body in a relatively cold environment. The ovum is alone and the sperm are with millions.