What is Placenta? What are the functions of Placenta?
What is Placenta? It is an organic temporary connection between the mother and the foetus in response to the stimulus of pregnancy. Around the sixteenth day after fertilization, the cords of trophoblast cells (chorionic villi) surrounding the blastocyst grow and attach the decidua tissue of the endometrium. The blood capillaries develop into these cords from the …