Structure and function of the esophagus
By: Erich Rosenberger M.D.
The esophagus is an often overlooked organ which is a vital component of your digestive system. Without it, there would be no way for food and liquids to make their way from your mouth to your stomach. It doesn't take a doctor to realize that...
A gastric system can heal
By: Alicia M Prater PhD
The gastric system is also called the gastrointestinal tract. The whole tract consists of the route food takes into your body, through digestion, and out as waste, though when referring to the GI tract it is often simply the stomach and intestines. The gastric system...
By: Lance W. Christiansen D.O.
From the earliest recorded time in history man has tried to understand diseases. There has been much progress, but yet, there is much to learn. During the 1800's various the cause of infectious diseases such as cholera, typhoid fever, typhus fever, syphilis, gonorrhea, tuberculosis, malaria...
Nonspecific immune system defenses
By: Erich Rosenberger M.D.
Your body is being continuously bombarded by bacteria, viruses and even fungi. Every day, no matter how clean and careful you are, you are exposed to millions of potential pathogens. Fortunately, your body has developed defenses which are able to protect you against most of...
Mechanisms of shock and hypotension
By: Erich Rosenberger M.D.
Shock is a medical term which describes a condition where blood flow, and more importantly, oxygen supply to tissues, is inadequate to meet the metabolic needs of those tissues. There are several factors which affect the ability of oxygen to be delivered to the tissues...
By: Bryan Jennings
Cloning, like nuclear power, is a branch of science that has been unfairly demonized by common Americans more through ignorance than actual merit.The idea behind researching cloning is NOT to create fully functional clones of human beings. This may be useful for animals or...
Introduction to the structure of the eye
By: Alicia M Prater PhD
The eye is designed to focus light onto specialized nerve endings that translate the light waves and photons into pictures our brains can understand. Sight is the interpretation of those signals by the brain, which allows a person to interact and recognize the world around...
By: Erich Rosenberger M.D.
Not all chest pain is caused by damage to the heart. Although most people who have chest pain are likely to think of the heart as the first cause of the pain, there are numerous non cardiac causes of chest pain which need to be...
The uses of new technologies in life sciences
By: Anita Gates
New advances in scientific technology are continuously happening although a certain amount of caution has to be taken when trying to look into peoples' minds regarding ethical considerations as these techniques could prove invasive and also as mentioned in the article there are many aspects...
By: Carol Boshears
Secret Shame of the WorldThere was a time and many places in the world where people came to believe in things that were blatantly horrible. Famous and educated people placed into the heads of common people ideas that were radical, yet which became accepted by...

 

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