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18 Sep 2007
doc

Cardiovascular lab report focusing on Amphibian Heart

Essay - 5 pages - Biology

The heart is an integral part of the cardiovascular system in the body of vertebrates. It provides the pressure needed for the blood to be pumped to different parts of the body. The heart maintains the flow of blood throughout the whole cardiovascular system. This in turn allows all the separate...

18 Sep 2007
doc

Population Ecology Using D.melanogaster and D. Virilis

Case study - 3 pages - Biology

In the “Population Ecology Experiment”, fruit flies were used to investigate the factors that enhanced and limited population growth in these species alone as well as in the presence of other species. In this experiment, the effects of high and low population densities in the same size...

18 Sep 2007
ppt

Adenosis

Presentation - 22 pages - Medical studies

Adenosis is a term used to describe nonepithelialized columnar glandular epithelium in the vagina. At ~15th week of embryological development, the Mullerian system, which forms the upper 2/3 of the vagina, fuses with the invaginating cloaca, which forms the lower vagina. Squamous metaplasia from...

18 Sep 2007
ppt

Vaginismus (the inability of a woman to withstand penetration)

Presentation - 20 pages - Medical studies

Involuntary painful contraction of perineal muscles and levator ani prior to or during vaginal intercourse. The experience of or even the anticipation of pain on vaginal entry causes these muscles to contract, occluding the vaginal opening and causing further pain when penetration is attempted....

18 Sep 2007
ppt

Vitiligo

Presentation - 28 pages - Medical studies

An acquired, slowly progressive depigmenting condition in small or large areas of the skin due to the disappearance of previously active melanocytes Focal (including segmental) vitiligo: 1 to a few scattered macules, occasionally in a dermatomal distribution Generalized vitiligo: Many...

17 Sep 2007
doc

The Effect of Benzodiazepine Drugs on the GABA(A) Receptor

Essay - 4 pages - Biology

The GABA(A) receptor plays a vital role in the mammalian brain and is responsible for a large majority of inhibitory neurotransmissions in the central nervous system (Perrine 144). The GABA(A) receptor is a member of the ionotropic (ligand gated) family of receptors that uses GABA, otherwise...

17 Sep 2007
doc

Structural Explanation of The paradox between High Permeability and High Conductance in a Potassium Channel

Essay - 3 pages - Biology

The human body is a fascinating array of mechanisms, each perfectly sculpted to satisfy its role in the ever changing needs of our physiology. The various systems within us each rely on impulses, sent via the central or peripheral nervous systems, to coordinate everything from breathing to...

17 Sep 2007
doc

Water Pollution

Case study - 4 pages - Biology

This article deals with a possible solution to water pollution in a Wisconsin suburb. However the results could be universally interpreted, with the method of prevention being employed in many areas of the world. The Article describes a scientist's experiment to test the amount of water runoff...

17 Sep 2007
doc

Osmolarity

Essay - 10 pages - Biology

One of the most fascinating systems of a cell or an organism is the way it deals with water. Every living needs water to survive and manages the intake of this precious resource differently. Water diffuses through a selectively permeable membrane within a cell by the process of osmosis (Campbell,...

17 Sep 2007
doc

Effects of Allelopathic Agent on Plant Growth

Essay - 3 pages - Biology

The experiment that was performed these past few weeks involved measuring the relative growth of a soybean plant that was planted based on how much allelopathic agent we used. Allelopathic interactions are very widespread in nature, and they are important factors in the mechanisms of the...

17 Sep 2007
doc

Forest Ecology Lab Report

Case study - 3 pages - Biology

This lab was set up in order to demonstrate the diversity and at the same time scarcity of species of plants in a long island forest as an example for a very global issue. The main principles involved were the community structure and dynamics of ecology. To observe this in the open we sectioned...

17 Sep 2007
ppt

Vaginal Bleeding during Pregnancy

Presentation - 28 pages - Medical studies

Vaginal bleeding during pregnancy has many causes and ranges in severity from mild (with normal pregnancy outcome) to life threatening for both infant and mother. Bleeding can vary from scant to excessive, from brown to bright red, and can be painless or painful. Causes can be divided into...

17 Sep 2007
ppt

Vertigo

Presentation - 32 pages - Medical studies

Sensation of movement when no movement is actually occurring. Results from peripheral or central causes or, in some instances, may be induced by medications or anxiety disorders. Patients who are elderly and have risk factors for cerebrovascular disease (CVD) are more likely to experience central...

30 Aug 2007
ppt

Pulmonary Hypertension

Presentation - 23 pages - Medical studies

It occurs when the blood pressure abnormally raises in the arteries that take the blood from the heart to the lungs. This pressure is not the same one that is measured in the medical doctor's office. When the cause of this illness is pulmonary emphysema or an heart illness since birth, for...

30 Aug 2007
ppt

Glacoma

Presentation - 31 pages - Medical studies

Glaucoma is an alteration where the pressure of the liquid that fills the ocular globe abnormally increases, beyond the eye can tolerate. When this pressure, called intra-ocular tension, is bigger than the normal one, the risk of damages to the eyes increases. Glaucoma is caused by the...

29 Aug 2007
ppt

Diabetes

Presentation - 30 pages - Medical studies

Illness provoked by the deficiency of production and/or action of insulin, that drives to acute symptoms and chronic complications. The disease involves the metabolism of glucose, fats and proteins and has serious consequences in either if it appears quickly as when it is installed slowly. In...

28 Aug 2007
ppt

Uterine Myoma

Presentation - 33 pages - Medical studies

When numerous large tumors (especially intraligamentary mommas) are found, total abdominal hysterectomy is indicated. If the ovaries are diseased or if their blood supply has been destroyed, oophorectomy is necessary; otherwise, the ovaries should be preserved. Ovaries generally are preserved in...

23 Aug 2007
ppt

Coma

Presentation - 63 pages - Medical studies

Consciousness, the awareness of self and environment, requires both arousal and mental content; the anatomic substrate includes both reticular activating system and cerebral cortex. Coma is a state of unconsciousness that differs from syncope in being sustained and from sleep in being less easily...

02 Aug 2007
doc

Effects of Gibberellins on Flowering in Grasses

Essay - 3 pages - Biology

For years, man has been trying to find a single chemical that triggers flowering in plants. Although this single chemical has not been found, several of the Gibberellins show promising results as an active florigen - such as GA5 and GA6 and possibly GA1 and GA4. Results have shown that these...

02 Aug 2007
doc

The Invasion of Bacillus

Essay - 2 pages - Biology

Beep… beep… click… click … this just in: A pandemic breakout of unheard of proportions. Is it anthrax? Or clostridia? It could be, but authorities believe the culprit is Bacillus cereus (49133). B. cereus is a cousin strain to both Bacillus anthracis (anthrax) and Clostridia...

31 Jul 2007
ppt

Management and Prognosis of Heart Failure

Presentation - 121 pages - Medical studies

The cardinal manifestations of heart failure are (1) dyspnea and fatigue, which may limit exercise tolerance, and (2) fluid retention, which may lead to pulmonary and peripheral edema. Both abnormalities can impair the functional capacity and quality of life of affected individuals. In addition,...

31 Jul 2007
ppt

Glucocorticosteroids in Relation to Inflammatory Disease

Presentation - 42 pages - Medical studies

For more than 50 years, glucocorticosteroids have been important agents in treating diseases characterized by inflammation and exaggerated immune responses. The pioneering work of Hench and colleagues in rheumatoid arthritis showed the possible potency of these agents in such pathologic states....

31 Jul 2007
ppt

Applications of Statistics in the Medical Area

Presentation - 49 pages - Medical studies

The sound practice of medicine requires the ability to use scientific evidence that is based on data and is published in the peer-reviewed medical literature. In this literature, investigators publish their findings using descriptive statistics to summarize data and inferential statistics to test...

31 Jul 2007
ppt

Applications and Limitations of Diagnostic Imaging

Presentation - 60 pages - Medical studies

The traditional evaluation of the patient includes the history and physical examination and a well-planned set of diagnostic tests, often including imaging. Dramatic advances in imaging not only supplement the physical examination, but also now may begin to substitute for part of it. Medical...

31 Jul 2007
ppt

Social and Economic Issues in Medicine

Presentation - 38 pages - Medical studies

Medicine is practiced in a social, economic, and political context. It takes more than excellent medical care to improve the health of patients because many of the determinants of the health of individuals and populations lie outside traditional clinical activity. By contrast, 40% of premature...

31 Jul 2007
ppt

Physical Activity

Presentation - 43 pages - Medical studies

Regular physical activity is an important component of a healthy lifestyle. In the 1980s and 1990s, a large body of epidemiologic and clinical evidence linked regular physical activity with a variety of health benefits. Although the strength of the data supporting these associations varies from...

31 Jul 2007
ppt

Principles of Drug Therapy

Presentation - 41 pages - Medical studies

It is generally appreciated that under different conditions a drug may produce diverse effects, ranging from none to a desirable effect or, in other cases, an undesirable, toxic effect. Physicians must learn how to individualize the drug dosage under different conditions to ensure effective and...

31 Jul 2007
ppt

Neuropsychiatric Aspects of Aging - published : 31/07/2007

Presentation - 37 pages - Medical studies

The process of aging produces important physiologic changes in the central nervous system, including neuroanatomic, neurotransmitter, and neurophysiologic changes. These processes result in age-related symptoms and manifestations for many older persons. These physiologic changes develop at...

31 Jul 2007
ppt

Chronic Poisoning

Presentation - 73 pages - Medical studies

The chemical environment was recognized as a threat to health early in history. Well-documented outbreaks of occupational mercury and lead "poisonings" had been recorded and preventive measures implemented by 200 BC. In the Middle Ages, arsenic poisoning was used as a political weapon. In...

31 Jul 2007
ppt

Drug Allergy

Presentation - 43 pages - Medical studies

The designation drug allergy should be reserved for adverse drug reactions caused by immunologic mechanisms. Although drug allergies are responsible for only a few adverse drug effects, the possibility of such reactions is a daily concern of most physicians. Drug allergy has a great variety...