Photo Researchers ftp March 2011

Lymphatic spread of cancerous tumours. Light micrograph of a section through a large lymphatic vessel (white space) containing a clump of malignant (c...

Embryonal brain tumour. Light micrograph of a section through the cerebellum in the brain, showing an embryonal tumour (dark patch, centre to lower le...

Testicular cancer. Light micrograph of a section through a malignant teratoma in a testicle. At upper left, epithelial cells have formed a cyst (dark...

Developing thrombus. Light micrograph of a section through an artery showing a newly forming thrombus (blood clot, dark pink) on the arterial wall (li...

Pulmonary embolism. Light micrograph showing a blood clot (round, dark pink) completely blocking the lumen (inner space) of the pulmonary artery in th...

Formation of vessels in a blood clot. Light micrograph showing new vessels (small oval white spaces) in an old established blood clot (thrombus, light...

Bladder cancer. Light micrograph of a section through the wall of a bladder (dark pink, horizontal) showing a cancerous growth (dark pink mass) attach...

Normal uterus wall. Light micrograph of a section through the middle layer (myometrium) of the uterine wall of a healthy non-pregnant woman, showing t...

Pregnant uterus wall. Light micrograph of a section through the middle layer (myometrium) of the uterine wall of a healthy pregnant woman, showing the...

Colon cancer. Light micrograph of tissue from a colon in a case of colon cancer. Colon cancer is one of the most common cancers in North America and W...

Bile duct cancer. Light micrograph of tissue from a liver in a case of bile duct cancer. The common bile duct transports bile, which aids fat digestio...

Glomerulonephritis. Light micrograph of tissue from a kidney in a case of glomerulonephritis. This condition refers to inflammation of the glomeruli,...

Glomerulonephritis. Light micrograph of tissue from a kidney in a case of glomerulonephritis. This condition refers to inflammation of the glomeruli,...

Pancreatitis. Light micrograph of fat necrosis in a case of pancreatitis. The central area here is fat that has turned necrotic (the tissue has died)....

Kidney membrane disease. Light micrograph of tissue from a kidney in a case of membranous nephropathy. Two glomeruli (round), the filtering structures...

Diverticular disease. Light micrograph of tissue from an intestine in a case of diverticular disease. Colonic diverticular disease (CDD) causes sacs (...

Diverticular disease. Light micrograph of tissue from an intestine in a case of diverticular disease. Colonic diverticular disease (CDD) causes sacs (...

Chronic hepatitis. Light micrograph of tissue from a liver in a case of chronic aggressive hepatitis. Hepatitis is the inflammation of the liver, whic...

Biliary cirrhosis. Light micrograph of tissue from a liver in a case of primary biliary cirrhosis (PBC). This is a condition where the bile ducts in t...

Biliary cirrhosis. Light micrograph of tissue from a liver in a case of primary biliary cirrhosis (PBC). This is a condition where the bile ducts in t...

Chronic hepatitis. Light micrograph of tissue from a liver in a case of chronic hepatitis. Hepatitis is the inflammation of the liver, which leads to...

Alcoholic cirrhosis. Light micrograph of tissue from a liver in a case of alcoholic cirrhosis. Excessive alcohol consumption causes liver damage (cirr...

Pancreatic cancer. Light micrograph of tissue from a pancreas in a case of pancreatic cancer. Pancreatic cancer often causes no symptoms until it is w...

Kidney membrane disease. Light micrograph of tissue from a kidney in a case of membranous nephropathy. A glomerulis (round), the filtering structures...

Glomerulonephritis. Light micrograph of tissue from a kidney in a case of glomerulonephritis. This condition refers to inflammation of the glomeruli,...

Kidney failure. Light micrograph of tissue from a kidney in a case of renal failure and necropsy (tissue death). Symptoms of kidney failure, which onl...

Cryptogenic cirrhosis. Light micrograph of tissue from a liver in a case of cryptogenic cirrhosis. Cirrhosis is a condition in which the liver respond...

Bile duct cancer. Light micrograph of tissue from a liver in a case of bile duct cancer. The common bile duct transports bile, which aids fat digestio...

Non-cancerous intestinal growth. Light micrograph of a section through the lining of the colon (large intestine), showing a benign (non-cancerous) neo...

Intestinal cancer. Light micrograph of a section through the lining of the colon (large intestine), showing a malignant (cancerous) neoplasm (dark pin...

Liver cancer. Light micrograph of a section through a liver showing a malignant (cancerous) tumour (dark, centre). This tumour has spread (metastasise...

Brain cancer. Light micrograph of a section through a glioma in the brain. A glioma is a tumour that derives from glial cells in the central nervous s...

Endocrine tumour. Light micrograph of a section through an apudoma, showing the characteristic small, uniform cells and granular cytoplasm. Apudomas a...

Thrombosis. Light micrograph of a section through a blood vessel showing a thrombus (blood clot, dark pink) on the vessel's wall (light pink). Damage...

Tongue cancer. Light micrograph of a section through a tongue with squamous cell carcinoma (SSC). SCC arises from the uncontrolled proliferation of sq...

Lung silicosis. Light micrograph of a section through a lung with silicosis, a type of pneumoconiosis caused by exposure to silica dusts. The lung tis...

Bronchopneumonia. Light micrograph of a section through lung tissue showing bronchopneumonia. This is an infection of the air spaces (alveoli) in the...

Lung cancer. Light micrograph of a section through a lung with small cell carcinoma (pale pink area at right). Carcinomas are invasive malignant (canc...

Lung cancer. Light micrograph of a section through a lung with small cell carcinoma (pale pink area across bottom left). Carcinomas are invasive malig...

Asbestosis. Light micrograph of a section through a lung with asbestosis, a chronic inflammatory disease caused by the inhalation of asbestos fibres....

Emphysema. Light micrograph of a section through a lung with emphysema. Emphysema is a disease in which the tiny air sacs (alveoli, white spaces) of t...

Pulmonary edema. Light micrograph of a section through a lung with pulmonary edema, the accumulation of fluid in the lungs. The capillaries have becom...

Lung cancer. Light micrograph of a section through a lung with small cell carcinoma. Carcinomas are invasive malignant (cancerous) tumours (purple are...

Salivary gland tumour. Light micrograph of a section through the parotid gland (the salivary gland beneath the ear) showing an adenolymphoma. An adeno...

Barrett's oesophagus. Light micrograph of a section throught the lower part of an oesophagus (gullet) with Barrett's oesphagus. This is a condition in...

Asbestosis. Light micrograph of a section through a lung with asbestosis, a chronic inflammatory disease caused by the inhalation of asbestos fibres....

Fibrosis of the lung. Light micrograph of a section through a lung showing fibrous (scar) tissue (black). The fibrous tissue is a result of inflammati...

Fibrosis of the lung. Light micrograph of a section through a lung showing fibrous (scar) tissue (black). The fibrous tissue is a result of inflammati...

Lung cancer. Light micrograph of a section through a lung with bronchoalveolar cell carcinoma. A malignant (cancerous) tumour (dark mass) is at centre...

Inflamed salivary gland. Light micrograph of a section through a submandibular salivary gland that has become inflamed. The inflammation is due to the...