A fetus is bathed in a sterile fluid , turley says , and therefore does not need to close wounds to prevent infection .
胎儿是生活在无菌的流体中,因此无需缝合伤口来阻止感染,特尔说。
He has long planned to confine his practice to the city - to bond brokers and their sterile wives , and he will have little need for the wrinkles methodology .
他长久以来一直计划要将实习限定在城市限定在债券经纪人和他们不育的妻子身上,他将很少需要皱纹方法学。
Told the chemotherapy and radiation treatment might leave him sterile , at his mother 's urging biblis on 25 april 1986 donated a sperm sample at a sperm bank in atlanta , even though the treatment that would eventually make him a father did not exist at the time .
When corina makes a mistake or struggles to identify a picture of some simple object , the doctors know they have hit upon a critical area , and they label the spot with a square of sterile paper , like a tiny post-it note .
Genes that find themselves in sterile bodies programme them to work for copies of the same genes in fertile bodies-either the old queen ( their mother ) , or young queens ( their sisters ) or young males .
A north carolina man who was rendered sterile by cancer treatment as a teenager is now a father after doctors used a sperm sample he donated 22 years ago to impregnate his wife .