what is steroids

Steroids are commonly found in human body in the form of cholesterol, testesterone, oestrogen, progesterone and cortisterone. Cholesterol acts as precursor for other body steroids - which are hormones. Steroids are normally prepared by activated hydroxylation. Rh..

Steroids are commonly found in human body in the form of cholesterol, testesterone, oestrogen, progesterone and cortisterone. Cholesterol acts as precursor for other body steroids - which are hormones. Steroids are normally prepared by activated hydroxylation. Rhizopus..

1. Peptide hormones Insulin has a profound influence or carbohydrate metabolism. It facilitates entry of glucose and other sugars into the cells by increasing penetration of cell membranes and augmenting phosphorylation of glucose. This decreases glucose concentration in blood and insulin is commo..

Adrenal cortex is a pale yellowish pink tissue, which shows three concentric regions outer, middle and inner. Each region produces its own set of hormones. It secrets a number of steroid hormones which are broadly classified into three groups such a..

1) They are the chief energy storers of the body, which form an important source of energy during starvation or other emergencies. 2) Fats play a role in the absorption of fats soluble vitamins like vitamins A, D, E and K. 3) Steroids like cholesterol which are related to fats are import..

We have discussed many dramatic effects of hormone, for instance, testosterone. Yet, its concentration in the plasma of adult human male is only 30 to 100 ng per ml. How can hormones in such tiny quantities have such widespread and selective actions? Unlike catecholamine and peptide hormones, ..

It is the largest gland and is found in the upper part of the abdomen on the right side just below the diaphragm. Its secretion is called bile juice. It is alkaline and rich in organic (steroid) salts called the bile salts. The alkaline nature serves to neutralize the acidic pH of t..

These are secreted by both middle and inner layers of the adrenal cortex. Their secretion is believed to be stimulated by corticotropin of the anterior pituitary. They include steroids, which stimulate the development of external sexual characters or secondary sexual characters. They con..

The ovaries lie in the abdomen and are the female reproductive organ. They secrete three steroid female sex hormones Oestrogens, progesterone and relaxin . Ovaries are two almond-shaped glands placed one on each side of the uterus, below the uterine tubes attached to the back of the bro..

Hormones are classified on the basis of (i) their structure (ii) their site of activity in the cell...