This is a description for a series of diagrams showing the reference ranges for the blood content of the hormones estradiol (the main estrogen), progesterone, follicle-stimulating hormone and luteinizing hormone during the menstrual cycle, as established on a reference group in Switzerland using the Abbott ARCHITECT analyzer.
Methods to overcome rejection of a xenogeneic embryo or fetus include: (1) Intercurrently inserting an allogeneic (allo- denotes something from the same species) embryo into the uterus in addition to the xenogeneic one. (2) Covering the outer layer of a xenogeneic embryo with allogeneic cells.
Steroidogenesis is the biological process by which steroids are generated from cholesterol and transformed into other steroids. An overview of the pathways wherein these steroids are produced can be achieved by a diagram.