human chorionic gonadotropin: hormone produced early in pregnancy by the placenta; detection in the urine and serum is the basis for one kind of pregnancy test
gonadotropin: hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity
neo-lamarckism: a modern Lamarckian theory emphasizing the importance of environmental factors in genetic changes and retaining the notion of the inheritance of acquired characters