The Canadian singer and songwriter recorded The Wreck of the Edmund Fitzgerald on his 1976 album Summertime Dream.. The single hit No. 1 in Canada and reached No. 2 on the Billboard Hot 100 chart in the United States.
After conception, the fertilized egg meanders to the end of your fallopian tube and enters your uterus, searching for the uterine wall. If it successfully implants itself there, the placenta will begin to form at that very spot about a week later. By the end of the first trimester, the placenta is fully grown and weighs about 1 1/4 pounds.
In this diagram, the placenta is roughly four months old and various fundamental structures can be recognized, namely the umbilical cord, the amnion, the chorionic plate, the already advanced branching of the villi, the basal plate and the cotyledon. Fig.