T Cell Development and Function
This second part of a series about different arms of the immune response looks at T cell development and the function of the various types of T cells.
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An Immune System Overview
The first part of this series on the immune system is an overview and introduction of concepts relating to this highly complex system.
Continue ReadingCytokines: Cellular Signals in the Immune System
This fourth and final part of the series examines the role of cytokines, proteins which act as signal molecules, controlling and directing the immune …
Continue ReadingThe Cells of the Immune System
This second part of the immune system series will look at the cells which are part of the system.
Continue ReadingThe Tissues and Organs of the Immune System
This third part of the immune system series will look at the organs and tissues of the immune system, including the bone marrow, spleen, lymph nodes.
Continue ReadingFleming, Florey, & Chain: The Discovery and Development of Penicillin
Penicillin was discovered by Alexander Fleming, but it wasn’t until Howard Florey and Ernst Chain came across Fleming’s research that the first …
Continue ReadingFirst-trimester maternal serum screening for Down Syndrome
Prenatal diagnosis for Down syndrome can be done in the first-trimester and is combined with ultrasonographic nuchal translucency measurement, plasma …
Continue ReadingApplications of Radioisotopes in Medical Imaging
Radioisotopes are used frequently in medical imaging processes. Find out their major applications.
Continue ReadingStem Cell Tissue Engineering
Stem cell tissue engineering has offered us a new and improved way to treat illnesses and diseases. Adult stem cells are proving themselves useful in …
Continue ReadingArtificially Sustaining Life - Social and Personal Costs
This article examines the societal and familial costs of maintaining a patient on life-support. Read the previous “Artificially Sustaining …
Continue ReadingArtificially Sustaining Life -- Right or Wrong?
This article examines the life-sustaining techniques that doctors use to keep ill patients alive past the point of normal survival – culminating …
Continue ReadingWhat is an Electrocardiogram Test?
Electrocardiogram (EKG) tests help physicians see the electrical activity of the heart muscle. This test, while very simple, provides medical …
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