Bioidentical hormone preparations are medications that contain hormones that are an exact chemical match to those made naturally by humans, says Manson, who is chief of preventive medicine at Brigham and Women's Hospital in Boston and the Elizabeth F. Brigham Professor of Women's Health at Harvard Medical School.infrey isn't recommending bioidentical hormones for every menopausal woman. Instead, she urges women to take charge of your health and says it's time to start the conversation about menopause and bioidentical hormones.
Thus, a tree network is a bus network of star networks. Logical (or signal) topology refers to the nature of the paths the signals follow from node to node. In many instances, the logical topology is the same as the physical topology. But this is not always the case.
Star Topology Many home networks use the star topology. A star network features a central connection point called a hub that may be a hub, switch or router. Devices typically connect to the hub with Unshielded Twisted Pair (UTP) Ethernet.hat is Network Topology. The physical topology of a network refers to the configuration of cables, computers, and other peripherals. Physical topology should not be confused with logical topology which is the method used to pass information between workstations.