Science Source December 1, 2009 DVD
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PHOColor-enhanced transmission electron micrograph of a mast cell. This enhancement is based on Photo Researcher's image number 7Y0962.
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PHONasal polyp after excision. An irregular swollen, polypoid mucosa can develop, in which one or more nasal polyps may develop.
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PHOOtitis externa. The external auditory meatus is inflamed and covered by a scaling exudate, which spreads onto the pinna.
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PHODisruption of the dentinal structure, with large numbers of darkly stained bacteria penetrating towards the pulp cavity.
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PHOAsbestos bodies in lung section. Long thin asbestos fibers coated with haemosiderin and protein to form brown filaments with a beaded pattern.
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PHOCoalworker's pneumoconiosis, also known as black lung disease. Progressive massive fibrosis. Cut surface. Amorphous collection of acellular proteinace...
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PHOImage of a "honeycomb," lung: In a Gough-Wentworth preparation, the exent of abnormality and interstitial fibrosis is evident.
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PHOImage of a "honeycomb," lung: The lung appears as large, cystically dilated air spaces surrounded by fibrosis.
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PHOStructural changes in asthma: The main events that take place in the airways in asthma are shown histologically.
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PHOCongestive cardiomyopathy or dilated cardiomyopathy (DCM) is a disease in which the ventricles of the heart dilate and cannot pump blood efficiently....
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PHOAppearances of myocardial infarct after 3-10 days. Myocardial infarction or a heart attack occurs when blood flow to part of the heart is obstructed....
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PHOAppearances of myocardial infarct after 24-72 hours. Myocardial infarction or a heart attack occurs when blood flow to part of the heart is obstructed...
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PHOAppearances of myocardial infarct after 12-24 hours. Myocardial infarction or a heart attack occurs when blood flow to part of the heart is obstructed...
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PHOCircumferential subendocardial infarction (tissue death beneath the endocardium). The endocardium is the membrane that lines the interior of the heart...
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PHOPulmonary oedema - left heart failure. This histological section shows lung alveoli filled with pink-stained oedematous fluid.
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PHOAccelerated hypertension (high blood pressure) change in small arteries. Loose myxomatous fibrous intimal proliferation can be seen with reduced lumen...
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PHOHistology of atheroma (plaque caused by atherosclerosis) showing pink-stained fibrous areas and pale lipid-rich areas of plaque. The media is thinned...
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PHOOrganization and re-canalization of a thrombus (blood clot). Macroscopic view of a coronary artery lumen being replaced by small luminas.
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PHOAn ultrasound showing serious pericardial effusion (fluid around the heart). The substantially increased pressure in the pericardial cavity interferes...
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PHONeutrophil (white blood cell) emigration in acute inflammation. The neutrophils are emigrating into damaged tissue from the vessel.
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PHOHistology of cardiac muscle from a hypertrophied heart showing hypertrophy (overgrowth) of cardiac muscle in response to valve disease. The muscle thi...
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PHOLight micrograph showing hypertrophy (increase in size) of skeletal muscle in response to exercise from the soleus muscle of a veteran marathon runner...
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PHOLight micrograph showing hypertrophy (increase in size) of skeletal muscle in response to exercise from the soleus muscle of a normal 50-year-old male...
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PHOLeukemic infiltration of marrow. Histologically, the normal marrow is replaced by abnormal monotonous leukemic cells.
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PHOMicrograph of acute leukemia. Marrow is extensively replaced by neoplastic cells, which efface normal marrow. Leukemia is a cancer of the blood or bon...
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PHOBone marrow in CLL (chronic lymphocytic leukemia). Bone marrow is replaced by small mature lympohid cells. CLL is a cancer of the blood or bone marrow...
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PHOLight micrograph of a normal glomerulus. A glomerulus is a capillary ball-shaped structure in the kidney that aids in the formation of urine. Seen her...
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PHOTesticular germ-cell tumor with no differentiation. Germ-cell tumors that consist of undifferentiated elements are composed of solid and cystic soft t...
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PHOThese ovaries show enlargement by multiple follicular cysts, which are particularly arranged around the periphery, together with thickening of the ova...
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PHOThis endometrium shows complex atypical hyperplasia, with irregular branching glands.
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PHOAn old, healed cerebral infarct. This is a transverse axial brain slice. With time, a regional cerebral infarct is replaced by a cystic gliotic cavity...
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PHOA large plaque is seen adjacent to the lateral ventricle. Multiple sclerosis is an autoimmune condition in which the immune system attacks the body's...
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PHOLight micrograph of bone from a patient with osteoporosis. When compared with image 2Y0355, which shows bone mass of a normal patient of the same age,...
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PHOMicrograph of a resin-embedded section of bone. The bone trabeculae are irregular and abnormally broad.
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PHOOsteosarcoma, a cancerous malignant bone tumor, at the lower end of a femur. The tumor expands and destroys the bone. The disease occurs in adolescenc...
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PHOAstrocytomas are cancers of the brain that originate in brain cells called astrocytes. Here, a lower grade astrocytoma has arisen in the frontal lobe,...
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PHOGlioblastomas are aggressive cancers, growing rapidly and invading surrounding tissue. The symptoms depend on the region of the brain affected, but ca...
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PHOLichen planus. Clinical appearance of raised, red plaques with thick, opaque, white lines.
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PHOLight micrograph of a resin section of a bone biopsy from the iliac crest, showing normal cortical and trabecular bone. It has been stained with a sil...
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PHOKeloid scars are common on the upper trunk of young women. A keloid is an enlarged scar that grows beyond its original boundaries. It can itch, cause...
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PHODiseased brain tissue from an Alzheimer's patient showing senile plaques located in the gray matter of the brain. Staining can identify the accumulati...
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