menopause hormone levels

Menopause - It is the period when ovulation and menstrual cycle stops in human female. It sets in about 45 - 55 years. It is characterised by hot flushes, which is a sensation of warmth spreading from the trunk to the face and a number of psychic symptoms. It is caused due to a decrease i..

The Islands of langerhans secrete four hormones insulin, glucagon, somatostatin and pancreatic polypetide. Insulin and glucagon have antagonistic effects on the blood glucose level..

Hormone Therapy - Whenever there is a hormonal deficiency or hormonal imbalance, hormone therapy is given. For e.g., Estrogen Replacement Therapy popularly known as Hormonal replacement Therapy (HRT) is a treatment prescribed for the complications a..

Hormonal Control of Cyclic Changes in Ovaries and Uterus During Menstrual Cycle - The cyclic changes in the ovary and uterus are under the control of estrogen and progesterone hormones whose secretion is under the control of gonadotropic hormones secreted by anterior p..

a) The hormones of the anterior pituitary gland namely LH (Leutinising hormone) or ICSH (Interstitial cell stimulating hormone) and FSH (Follicle stimulating hormone) control the functioning the male reproductive system. b) LH or ICSH from the anterior pituit..

According to this theory, biological clocks act through hormones, which are the secretions of the endocrine glands, to control the pace of ageing. It has been observed that the production of some of the hormones declines with age. Human growth hormone (GH) levelsh..

It is a method of controlling the hormone production. In some cases the production of hormones is controlled by the nervous system. In other cases, the hormone itself acts as a control. For example: Pituitary secretes TSH that stimulates the thyroid to secrete thyroxin..

Feedback Mechanism - It is a method of controlling the hormone production. In some cases the production of hormones is controlled by the nervous system. In other cases, the hormone itself acts as a control. For example: Pituitary secretes TSH that stimulates the thyroi..

. Deficiency of growth hormone causes dwarfism and over secretion causes gigantism in the young and acromegaly in adults. Pancreatic Islets of langerhans secrete insulin on being stimulated by a rise in blood sugar or blood amino-acid level. Insulin lowers the blood sugar by inc..

Maintenance of internal chemical environment of the body to a constant is called homeostasis. Hormones play a major role in maintaining homeostasis by their intergrated action and feed back controls. Feedback control is mostlly negative, rarely positive. In a negative feedback control, s..