Word: spermatoza
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This is the first test for the presence of the hormone, and it is the first instance of the production of spermatoza in tissue culture. The test also showed that growth at all stages in the life history required the "growth and differentiation hormone...
When primitive sex cells were placed in tubes containing the blood of a growing insect, the sex cells immediately elongated and transformed into spermatoza. Blood at this stage contains the hormone...
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