By: Roger Science
Diabetes can be described as a disorder of insulin in the body. Either due to insufficient or diminishing production of insulin from the pancreas OR due to vascular resistance to the effects of insulin OR both. In any case, the function of blood glucose regulation...
Is Euthanasia Ethical or Unethical
By: Cristin Tkachuk
Physician assisted suicide has been a continually growing issue over the past 30 years. During the early and mid 1990's, it was perfectly acceptable to let patients die as a result of termination of treatment, but to let the physician assist in hastening death was...
How to tell if vertebroplasty is right for you
By: amberruka
Let's back up to what a vertebroplasty is actually an indication for. Our spinal vertebrae are pretty thick bones, but even they can be fractured from a fall, trauma, or general osteoporosis (the bone is too weak/porous to support itself). When this happens, you may...
By: Darian Peters
Drosophila is the small fruit fly (so-called because of the fondness of the species for rotting fruit) that has played a big part in the development of modern genetic science. The Drosophila melanogaster species, in particular, is one of the animals with the very best...
Structure and function of the skin
By: Alicia M Prater PhD
The skin is the largest organ in the human body and is part of the integumentary system. The skin is a sensory organ containing many receptors, but is also a protective covering for the body.Overlaying the tissues of the body is a subcutaneous fatty...
The integumentary system: Structure and function
By: Alicia M Prater PhD
The integumentary system includes the largest organ in the human body the skin. The system also includes the projections from the skin, the hair and nails, and the receptors that allow the skin to be a sensory organ. The purpose of the integument is to...
By: Alicia M Prater PhD
Vision, or sight, is the process by which a person "sees" using their eyes. Sight works much like a camera - vision is achieved using a refractory lens that focuses light waves (the picture) onto nerve endings (the film), which communicate with the brain for...
Lung volumes and capacities explained
By: Alicia M Prater PhD
The lungs bring in oxygen and release carbon dioxide, providing the essential elements of life. The capacity of the lungs to exchange these gases in the blood is an indicator of the respiratory system's efficiency and directly impacts all body systems and disease.Lung CapacityEach...
The cranial nerves described
By: Alicia M Prater PhD
The cranial nerves are the major nerves running into the brain from the brainstem, or originating from the brain itself. There are twelve recognized cranial nerve pairs, numbered with roman numerals. These nerves serve the face and the five traditional senses, running directly into the...
What is epigenetics?
By: Alicia M Prater PhD
Epigenetics is a relatively new field of genetics and the term itself is only 60 years old, originally referring to a more broad concept of complex organism development. The epigenome is the pattern of chemical alterations on chromosomes, which result in changes in gene expression...

 

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