Zygote is the diploid cell that results from the fertilization between an egg and a sperm. Etymology. Came from the Greek word âgametesâ meaning âhusbandâ and âgameteâ meaning âwife.â. Came from the Greek word âzygotosâ meaning âjoined or yoked or to yoke.
This is not causation, but facilitation after the fact. Stating that estrogen causes breast cancer is like saying fertilizer causes weeds. In a garden even weeds need some soil nutrients, and if these are completely removed, the weeds can't grow...but neither can the desired plants.
But some data suggest that estrogen can decrease the risk of heart disease when taken early in postmenopausal years. A recent, randomized, controlled clinical trial â the Kronos Early Estrogen Prevention Study (KEEPS) â explored estrogen use and heart disease in younger postmenopausal women.