Articular cartilage defects are common conditions affecting the knee. Articular cartilage resists wear quite well, but time and wear can eventually take their toll. When the joint surface extensively breaks down, the condition is known as degenerative arthritis or osteoarthrosis (OA). An MRI with injected joint contrast is the best study to visualize these defects. 2  Chondromalacia (localized wear and tear) Softening or fissuring of the articular cartilage usually a consequence of cumulative injury or degenerative joint disease.
Salmonella infection, or salmonellosis, is a bacterial disease of the intestinal tract. Salmonella is a group of bacteria that cause typhoid fever, food poisoning, gastroenteritis, enteric fever and other illnesses. People become infected mostly through contaminated water or foods, especially meat, poultry and eggs.Salmonella is a gram-negative, rod-shaped bacilli that can cause diarrheal illness in humans. Put simply-Salmonella is a bacterium shaped like a rod with a cell wall composed of peptidoglycan.eople become infected mostly through contaminated water or foods, especially meat, poultry and eggs. Salmonella is a gram-negative, rod-shaped bacilli that can cause diarrheal illness in humans. Put simply-Salmonella is a bacterium shaped like a rod with a cell wall composed of peptidoglycan.
Salmonella spreads through food and water contaminated with fecal matter. Contact with infected individuals or animals can also cause infection. Salmonella infections most commonly cause infectious diarrhea (gastroenteritis). Other common symptoms include fever and abdominal pain. Symptoms can start at any point within 6 to 72 hours of exposure but commonly occur within 12 to 36 hours. Diagnosis is usually made using a fecal sample.