Medical Science

Red blood cells (erythrocytes – from Greek erythros for ‘red’ and kytos for ‘hollow’, with cyte translated as ‘cell’ in modern terms) are made in the bone marrow in a process called haematopoiesis where they lose their nucleus, as a child all bones produce blood cells but,…
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Estradiol also known as E2, oestradiol or 17β-estradiol is a naturally occurring hormone synthesized in large quantities in women and low amounts in men. In women, it is the predominant sex hormone while in men it is formed as an…
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Nursing models, by definition is, “systematically constructed, scientifically based, and logically related set of concepts, which identify the essential components of nursing practice and provide a cohesive and systematic approach to the patient.” (Riehl & Roy 1980) Prior to 1960,…
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Yawning is an involuntary action that is commonly associated with fatigue, boredom or tiredness, and is quite common among most living creatures, including snakes, primates and carnivores. In human beings, yawning is considered to be a very purposeful non-verbal signal,…
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During the design and evolution of early hominids, a response to prevent early human ancestors from being eaten by the much larger and ferocious predators of that day was developed.  Known today as the “fight or flight response”, this hardwired…
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The Functions of the Right Side of the Brain Unraveling the mysteries of the brain presents an exciting challenge to modern scientists.  Its complex series of connections and chemical signaling pathways make it virtually impossible to pinpoint the exact area…
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DNA damage is not as dangerous as some people think. Our bodies have many effective mechanisms to repair cellular damage, and to protect the rest of our body from the effects of damage to any particular cell. Still, it is…
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General anesthesia is used to, as commonly said, “put a patient under” for surgery and other invasive medical or dental procedures. As explained by Dr. Arjun Desai and colleagues for Medscape, general anesthesia is a reversible state of unconsciousness in…
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The most fun way to learn a little about genetics is to understand heredity first hand, your own heredity; and you can do this by examining the actual dominant and recessive traits that you possess. * Genes from Mom and…
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IS CLONING PETS A SLIPPERY SLOPE TO HUMAN CLONING? Yes. I think it is a very slippery slope. Remember Hitler? He may not have used the scientific advances that we have at our disposal today but the idea of a…
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