By: Jeff Casto
The demand for transfusions of blood products is rising as more complex surgeries are developed and more drastically ill patients are surviving longer. At the same time, the rate of blood donations is decreasing and there is a growing concern over the risk of infectious...
By: Teena Kay
I've been a blood donor for quite a few years now. I've been donating long enough to reach another mile stone, 25 donations, a pin badge, certificate and a brand new donor card in silver telling everyone that I'm on my way to gold, my...
Xenotransplantation : Pigs saving human lives
By: Perry McCarney
While it is theoretically possible that medical and genetic science may eventually result in our ability to engineer and raise pigs that can provide the replacement organs needed to save human lives, is it a realistic and ethical proposition?The first successful live-human kidney transplant...
The biology of the menstrual cycle
By: G. Lee
The menstrual cycle can be divided into the follicular phase, ovulation and the luteal phase. Negative feedback and in some cases positive feedback play important roles in coordination of the cycle.~ THE FOLLICULAR PHASEThe follicular phase begins with menstruation, the shedding of the superficial...
By: Alicia M Prater PhD
Stem cells are important in natural development and occur as two types: embryonic and adult. In general, embryonic stem cells have the potential of becoming any cell in the human body, whereas adult stem cells are specialized to become a certain type of tissue, though...
By: Jeff Casto
A granuloma is a mass of immune system cells that have gathered around and sealed off a foreign particle that has resisted the immune cells' attempts to destroy and digest it. This foreign particle could be anything from a tuberculosis bacterium to a splinter. A...
By: Norma Chew
Have you been thinking about signing an organ donor card?Do you have questions as to why you should donate your body parts?If so, read on and see the difference your decision can make in enhancing the life of others.A few years ago...
By: Bridie Cavanaugh
Umbilical Stem Cell Banking, also known as Cord Blood Collection, is a once in a lifetime opportunity to store your infant's cord blood for potential future medical needs. This procedure is available immediately following birth and involves the removal of blood, and resulting stem cells...
Will Science and Technology Conquer Water Related Diseases
By: Roger Cunard
With more than one billion people worldwide living without access to safe drinking water, several socially-minded entrepreneurs are leveraging their knowledge of business, science and technology to help conquer water-related diseases through modern water purification systems. As with recent advances in malaria prevention, the ability...
By: John Graham - 384486
MEDICAL IMAGING"Go and look at your toes, John," my Mother used to tell me when she was choosing shoes. So I would obediently trot off to the X-ray machine.Not that I was ever really obedient but I liked the X-ray machine because you...

 

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