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Heart in Biological Definition

Cancer

... better than nonmalignant diseases such as heart failure and stroke . Nonetheless, in the late 1990's cancer overtook heart disease as the leading cause of death in the ... now No. 1 killer illness in United States: Tops heart disease, but deaths from both are dropping ...

Diabetes mellitus

... problem frequently caused by diabetes, such as a heart attack , stroke , neuropathy , poor wound ... Large vessel disease complications: ischemic heart disease caused by both large and small vessel ... (requiring dialysis or transplant), blindness, heart disease and limb amputation. Recent studies show ...

Lung

... The heart in relation to the lungs (from an older edition ... hemoglobin . The deoxygenated blood from the heart reaches the lungs via the pulmonary artery ... of soft, shock -absorbent protection for the heart , which the lungs flank and nearly enclose. ...

Marfan syndrome

... including the skeleton , lungs , eyes , heart and blood vessels . It is named for the French ... may in turn cause unusual pressure on the heart and lungs. Other symptons include; abnormal joint ... retina and/or cornea . Treatment The heart conditions related to Marfan syndrome may not ...

Muscle

... sarcomeres cardiac muscle : found within the heart skeletal muscle (or "voluntary"): attached ... be the strongest muscle at birth. The heart has a claim to being the muscle that performs ... Estimates of the power output of the human heart range from 1 to 5 watts. This is much less than ...

Nutrition

... to the 'diseases of civilization' - diabetes , heart disease and cancer - than Europeans, and their ... endemic illnesses began to flourish, such as heart disease, cancer, diabetes and obesity. These ... in turn affect the efficiency of the liver , heart , gall bladder , circulation etcetera. (See ...

Stem cell

... apparently able to repair muscle damaged after heart attacks . heart attacks are due to the coronary artery being ... form of adult stem cells, into mice which had had heart attacks induced resulted in an improvement of 33 ...

Anatomy

... of the structures of an organ or system (such as nerves , arteries , heart , and so forth), as it is found in humans; this is followed by an account ... Breast Colon or large intestine Diaphragm Ear Eye heart Kidney Labia Larynx Liver Lung Nose Ovary ...

Biomechanics

... mechanics of the arterial wall, the behavior of cardiomyocytes within a heart with a cardiac infarct, and bone growth in response to exercise have been ... cell type. These involuntarily contracted cells are located in the heart wall and operate in concert to develop synchronized beats. This is ...

Blood

... seen directly. Blood moves in blood vessels and is circulated by the heart , a muscular pump. It passes to the lungs to be oxygenated, and then is ... through tiny blood vessels called capillaries . It then returns to the heart through the veins . See circulatory system for a more detailed ...

Edward's syndrome

... fists with overlapping fingers. Those with Edward's syndrome also have heart defects , and other organ malformations such that most systems of the body ... their first year of life. Major causes of death include apnea and heart abnormalities. It is impossible to predict the prognosis of an Edward's ...

Herpetology

... assists in the exchange of gases and respiration , have a two-chambered heart like fish, and are often bound to water for at least some part of their ... protected by scales , that normally has few if any glands. The reptilian heart is a three-chambered one (four-chambered in the case of crocodilians), and ...

Alexander Fleming

... luteus - yellow Micrococcus varians - white Micrococcus roseus - pink Bacillus sp. - orange Fleming died in 1955 of a heart attack . He was buried as a national hero in the crypt of St. Paul's Cathedral in London. His discovery of penicillin had changed the world of ...

Biodiversity

... of recorded history. For example, quinine comes from cinchona tree (used to treat malaria ), digitalis from the foxglove plant (chronic heart trouble), and morphine from the poppy plant (pain relief). According the National Cancer Institute , over 70 % of the promising anti-cancer ...

Brain

... believed the brain to be the seat of intelligence, but Aristotle held that the brain was a cooling mechanism for the blood , while the heart was the seat of intelligence. Aristotle reasoned that humans are more rational than the beasts because they have a proportionally larger brain to ...

Down syndrome

... as is the superior temporal gyrus . Educational progress may also be damaged by illness and disabilities, such as recurring infectious diseases , heart problems, poor eyesight, and hearing problems. Other physical characteristics associated with the disorder include presence of a simian crease . ...

Foot and mouth disease

... production can decline significantly. Though most animals eventually recover from FMD, the disease can lead to myocarditis (inflammation of the heart muscle) and death, especially in newborn animals. Some infected animals remain asymptomatic, that is, they do not suffer from or show signs of the ...

Human

... his nothingness, his forlornness, his insufficiency, his dependence, his weakness, his emptiness. There will immediately arise from the depth of his heart weariness, gloom, sadness, fretfulness, vexation, despair, (Pascal, 1669). Sexuality Human sexuality , besides ensuring reproduction , has ...

Insulin

... closely controlled, that rate can even approach 'normal'. The chronic diabetic complications include cerebrovascular accidents (CVA or stroke), heart attack, blindness (from proliferative diabetic retinopathy ), toehr vascular damage, nerve damage from diabetic neuropathy , or kidney failure from ...

Limbic system

... hence the name) fornicate gyrus archicortex hypothalamus : controls the autonomic nervous system and regulates blood pressure , heart rate , hunger , thirst , sexual arousal and the sleep/wake cycle. Connected to the pituitary gland and thus regulates the endocrine system. ...

Marine biology

... and since they exist in a watery environment it means that very different biological functions have evolved . Fish anatomy includes two chamber heart , operculum , secretory cells that produce mucous , swim bladder , scales , fins , gills , lips and eyes . Fish breathe under water by ...

Mathematical biology

... enzymology and enzyme kinetics [4] Cancer modelling and simulation [5] Swarming behaviour [6] Multi-scale modelling of the heart [7] Travelling waves in a wound-healing assay [8] The mechanochemical theory of morphogenesis [9] Biological pattern formation [10] ...

Patau syndrome

... small eyes that may exhibit a split in the iris ( coloboma ), a cleft lip and/or palate , weak muscle tone (hypotonia), an increased risk of heart defects, skeletal abnormalities, and other medical problems. Affected individuals rarely live past infancy because of the life threatening medical ...

Signal transduction

... 2+ in the cytosol near the receptor will cause it to release even more Ca 2+ . It is especially important in neurons and muscle cells . In heart and pancreas cells, another second messenger (cyclic ADP ribose ) takes part in the receptor activation. The localized and time-limited ...

Thermoregulation

... is soon exhausted. Blood that is too warm produces dyspnoea and soon exhausts the metabolic capital of the respiratory centre. The rate of the heart is quickened, the beats then become irregular and finally cease. The central nervous system is also profoundly affected, consciousness may be lost, ...

Vaccine

... US Congressman Dave Weldon, M.D., (February 9, 2004) JPandS.org (pdf) - 'Thimerosal in Childhood Vaccines, Neurodevelopment Disorders, and heart Disease in the United States', Mark Geier, M.D., Ph.D., and David Geier, B.A., Journal of American Physicians and Surgeons , Vol 8, No 1, Spring, ...
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