what is plancenta? explain??
Answers
Placenta is a disc like structure attached to the uterine wall. The placenta is formed of two sets of minute finger like processes, the villi. It acts as the linkage between the mother and the growing embryo.
Function:- The placenta allows diffusion of substances from the mother to the foetus(oxygen, Nutrients such as glucose/amino acids/vitamins/mineral ions) and from foetus to the mother(carbon dioxide and urea).
Placenta also acts as an endocrine gland. It produces the hormones called oestrogen and progesterone.
:Placenta is a special tissue connection between embryo and uterine wall. It acts as an endocrine gland. Role of placenta: It possesses villi that increase the surface area for absorption of nutrients. Facilitates passage of nutrition and oxygen to embryo from mother through blood.