| review: exploration of placentation from human beings to ocean-living species. | this review covers four topics. 1) placental pathology in himalayan mountain people. to determine morphological changes of the placenta at high altitude, pathological examination was made of 1000 himalayan placentas obtained in nepal and tibet and the results compared with japanese placentas delivered at sea level. characteristic findings in the placental villi of the himalayan group included high incidences of villous chorangiosis and chorangioma. these processes were clarified by ultrastructur ... | 2013 | 23332416 |