Placenta is a EPHEMERAL temporary endocrine gland that produces hormones hCG (Human chronic gonadotropin) present in the urine of female (confirmatory test for pregnancy) and also sustain pregnancy.
found only in eutherian mammals
organ composing of cells derived from two different organisms; the foetus (foetal membrane - chorion and amnion) and the mother
human placenta distinction; metadiscoidal, haemochorial and deciduate
many teratogens, disease causing virus and antibody IgG (transplacental) can cross placental barrier
functions; Nutritive, Digestive, Respiratory, Excretory, Storage organ(store glycogen before liver is formed), Barrier