Estradiol, or more precisely, 17Î²-estradiol, is a steroid and estrogen sex hormone, and the primary female sex hormone. It is named for and is important in the regulation of the estrous and menstrual female reproductive cycles.n the female, estradiol acts as a growth hormone for tissue of the reproductive organs, supporting the lining of the vagina, the cervical glands, the endometrium, and the lining of the fallopian tubes.
Ethnohistory is the study of ethnographic cultures and indigenous customs by examining historical records. It is also the study of the history of various ethnic groups that may or may not exist today. Ethnohistory uses both historical and ethnographic data as its foundation.
Ethnomusicology â a term coined by Jaap Kunst from the Greek words á¼Î¸Î½Î¿Ï (ethnos, nation) and Î¼Î¿ÏÏÎ¹ÎºÎ® (mousike, music) â is often described as the anthropology or ethnography of music.thnomusicologists often apply theories and methods from cultural anthropology, cultural studies and sociology as well as other disciplines in the social sciences and humanities. Though some ethnomusicologists primarily conduct historical studies, the majority are involved in long-term participant observation.