By: Erich Rosenberger M.D.
The pancreas is a rather unique organ in the human body. It is part of two different organ systems, the endocrine system and the digestive system. Technically, the pancreas is a large gland. A gland is a structure in the body that secrete hormones. The...
Structure and function of the kidneys
By: Alicia M Prater PhD
The kidneys are bean shaped organs in the abdominal cavity that are part of the urinary tract. The organs are held in place by connective tissue, the fibrous renal capsule, and cushioned by fatty tissue, the perinephric fat. Humans normally have two kidneys, but they...
By: Swati Nitin Gupta
Do I need a surgery for an ovarian cyst? Before we answer this question we need to understand what is ovarian cyst and how are they formed.Ovarian cysts are a collection of fluid within the normally solid ovary. Although ovarian cysts are an extremely...
Structure and function of the stomach
By: Sina
When having a discussion concerning anatomy the phrase form determines function comes to mind. What this entails is that the structure of the organ determines strongly what that organ does. The stomach is a muscular sac that provides a conducive enviroment for breaking down, chemically...
By: Alison Bowler
In 1957, a drug, produced by the German drug company Grunenthal, was released following the drug safety trials normal for that time. The drug had been tested on rodents and seemed to be safe. It was marketed as a sedative and anti-emetic and, as such...
Reason that the need for sleep increases in the wintertime
By: David Walks-As-Bear
Umm, next week begins the Severe Moon the time of intense we-pe (cold), m' quat'na (ice) and heavy co-nee (snow). It's the time of hard winter or, si-kona papoon-we. It can be dangerous and is usually only fun for the little ones. But, as with...
How scientists create recombinant DNA
By: Alicia M Prater PhD
Recombinant DNA is the result of combining DNA sequences that normally do not occur together. The first report of recombinant DNA technology was a 1974 paper by Cohen and Boyer. The 1978 Nobel Prize in Medicine went to the group (Arber, Nathans, and Smith) that...
Is gene silencing ethical?
By: Alicia M Prater PhD
Gene silencing is a natural process utilized by researchers to understand the role of particular genes in disease. It is used medically to cure and treat disease. How can it not be ethical?Let's look at what is involved in the process known as gene...
Why scientists would want to use gene silencing
By: Alicia M Prater PhD
Gene silencing is a technique that results in stopping the expression of a gene, effectively turning the gene off. This is a natural process in cells that is accomplished by epigenetic changes, changes to the genome that are not changes in the sequence; DNA-protein interactions...
Should Smokers and the Obese be Denied Coronary Artery Bypass Surgery
By: Lily Garner
Has our world really come to this? Are we seriously discussing who should get medical treatment and who shouldn't? It is a right as a human to be able to obtain medical help, or at least it should be; we all have the right to...

 

1 99 100 101 102 103 296