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Organ systems

Human Anatomy Notes Unit 1

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Amber Lankhorst Human Anatomy Notes: Body Planes and Regions- The left image shows three key anatomical planes of study: frontal, or coronal; transverse, or horizontal; and sagittal. The frontal plane is drawn through the body longitudinally, dividing the body into anterior and posterior portions. The transverse plane is drawn horizontally through the body, dividing it into superior and inferior parts. The sagittal plane is drawn through the body longitudinally, dividing it into left and right sides In the right image, terms of orientation are provided for comparison purposes. Superior refers to structures that are closest to the top of the skull. Inferior refers to structures closest to the plantar surface of the foot. Cranial relates to the head.

Alzheimer's and Parkinson's history

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Wu 1 Alan Wu Mr. Jones Anatomy and Physiology 5 June 2012 A History of Alzheimer's Disease Progressive mental deterioration in old age has been recognized and described throughout history. However, it was not until 1906 that a German physician, Dr. Alois Alzheimer, specifically identified a collection of brain cell abnormalities as a disease. One of Dr. Alzheimer?s patients died after years of severe memory problems, confusion and difficulty understanding questions. Upon her death, while performing a brain autopsy, the doctor noted dense deposits surrounding the nerve cells (neuritic plaques). Inside the nerve cells he observed twisted bands of fibers (neurofibrillary tangles). Wu 2
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