单词:necrospermia
单词:necrospermia 相关文章
Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York
内分泌、营养、代谢性疾病 胫前粘液性水肿 pretibial myxedema 粘液水肿性苔藓 lichen myxedermatosis 黑棘皮病 acanthosis nigricans 黄瘤病 xanthomatosis 类脂蛋白沉积症
Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo