Recent questions tagged endocrinolgy

Description : What are the major hormones and aging plays any role in it?

Last Answer : The major groups of hormones are amine hormones, peptide and protein hormones, and steroid hormones. Amine hormones are relatively small molecules that are structurally similar to amino acids. Epinephrine and ... of the immune system is a result of the reduced size of the thymus gland.  

Description : Which is the predominant in Thyroid hormone? 

Last Answer : Thyroxine, or T4, also called tetraiodothyronine, contains four atoms of iodine. Triiodothyronine, or T3, contains only three atoms of iodine. The more common hormone is T4, which accounts for nearly 90 ... effective. Both hormones have similar functions. Enzymes in the liver can convert T4 to T3. 

Description : What is the difference between a sexually transmitted disease and a sexually transmitted infection?

Last Answer : The term sexually transmitted disease (STD) has been used frequently to describe infections of the reproductive tract. The term disease typically implies that symptoms are present such that the ... the reproductive tract can be asymptomatic, the term STI is often more appropriate than STD. 

Description : How long does a hormone remain active after it is released?

Last Answer : Hormones that circulate freely in the blood remain functional for less than one hour. Some hormones are functional for as little as two minutes. A hormone becomes inactivated when it diffuses ... ) are activated by enzymes that cleave the active portion from a larger circulating precursor molecule 

Description : What is mixed gland? 

Last Answer : The pancreas is a mixed gland because it has both endocrine and exocrine functions. As an endocrine gland, it secretes hormones into the bloodstream. Only one percent of the weight of the ... There are between 200,000 and 2,000,000 pancreatic islets scattered throughout the adult pancreas.  

Description : How long does a hormone active once it is released?

Last Answer : Hormones that circulate freely in the blood remain functional for less than one hour. Some hormones are functional for as little as two minutes. A hormone becomes inactivated when it diffuses ... are activated by enzymes that cleave the active portion from a larger circulating precursor molecule. 

Description : How Monoclonal Antibody differs from Polyclonal Antibody?

Last Answer : If an antigen is injected into an animal, a number of antibody-producing cells will bind that antigen albeit with varying degrees of affinity, and so the antibody which appears in the ... as therapeutic tools, for example to inactivate bacterial toxins and to treat certain forms of cancer.