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Which hormone is primarily responsible for the development of secondary sexual characteristics in females?
Testosterone
Estrogen
Thyroxine
Insulin
Estrogen
Estrogen is the primary female sex hormone responsible for the development and maintenance of secondary sexual characteristics. It triggers changes during puberty such as breast development, the widening of the pelvis, and the onset of the menstrual cycle.
Estrogen is the primary female sex hormone responsible for the development and maintenance of secondary sexual characteristics. It triggers changes during puberty such as breast development, the widening of the pelvis, and the onset of the menstrual cycle.
Think of Estrogen as the 'architect' of the female body during puberty, blueprints in hand, signaling specific tissues to grow and structural changes to occur at the right time.
E for Estrogen, E for 'Extra' feminine traits (Breasts, curves, cycles).
C18тАЛH24тАЛO2тАЛ тАФ Chemical formula of Estradiol, the most potent form of Estrogen.
Estrogen is primarily produced in the ovaries by the follicles. It acts by binding to estrogen receptors within target cells, which then translocate to the nucleus to regulate gene expression. This transcriptional control dictates the differentiation of tissues and the maturation of the reproductive system.
Secreted mainly by the ovaries and the corpus luteum.
Regulates the uterine cycle by thickening the endometrium.
Promotes the deposition of fat in specific areas like hips and breasts.
Helps maintain bone density in adult females.
Essential for reproductive health and bone strength.
Excess levels are linked to increased risks of certain hormone-sensitive cancers.
Hormone Replacement Therapy (HRT) for menopause symptoms.
Formulation of oral contraceptive pills.
Testosterone is the primary androgen responsible for secondary sexual characteristics in males.
Thyroxine (T4) is involved in metabolic regulation and growth, not sex characteristics.
Insulin is a pancreatic hormone primarily concerned with the regulation of blood glucose concentration ([Glucose]).
B is correct тАФ Estrogen is the hormone that regulates the development of secondary sexual traits in females.
Always distinguish between hormones that control metabolic rate (Thyroxine) and those that control reproductive differentiation (Estrogen/Testosterone).