Word: birth
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...conventional story of female fertility has never made a whole lot of sense. A few months before the birth of a little girl, textbooks have said for 50 years, her ovaries contain about 1 million egg cells each--all that she will ever have. Those numbers only go down as eggs deteriorate or get washed out of the body during menstruation. Finally, when a woman is about 50, they're essentially gone, signaling the hormonal changes known as menopause. The story fits the evidence. Autopsies prove that women have lots of eggs to start with and that the number steadily...
...music the angels are singing from a scroll in their hands, so visitors to the exhibition can hear the masterpiece as well as see it. As it happens, Filippino's perfectly rendered score was one of the most popular songs of the 15th century. Although the quintessential Botticelli works, Birth of Venus and Allegory of Spring, are down the street in the Uffizi gallery, the Palazzo Strozzi exhibition features his outstanding allegories Calumny and Pallas and the Centaur, alongside Filippino masterpieces like the Allegory of Love. This soul mate of Allegory of Spring is from a private collection in London...
...describing the currently accepted view, Tilly said that for human females, about 7 million eggs are produced during gestation and die off gradually over the course of a woman’s life. At birth a human female has 1 million eggs; by puberty she has only 300,000. About 400 eggs on average are released in a woman’s life; the remainder are destroyed by the body through a process of cell death, or apoptosis...
...Reproductive Biology Harold R. Behrman called Tilly’s work a “very significant” find that prompts a new look at the assumptions about human egg generation. “The dogma has been that mammalian eggs don’t regenerate after birth,” Behrman said...
...when it came time to move onto the next level, it looked like Lewis might be left behind. Though age had been no object during any point in their friendship, the teams for travel hockey were based on year of birth. Reese was born in 1984 and Lewis 1985, but the latter played up to remain alongside his friend...