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.
Ethnography is described in a recent MIT Sloan Management Review article as âartful in situ investigation into what customers do and feel, and how they talk about what they do and feel.â Itâs a disciplined way to try to understand how consumers live, work and play â and how their lives make them more or less receptive to a companyâs products and ...