Ken Jones, a leading amateur microscopist, specialises in video-filming pond-life. One of his videos captures the enigmatic and graceful movement of Volvox, and he has kindly allowed us to show some extracts from his film on this page. A single Volvox colony spins through the dark waters of a pond. Daughter cells are just visible inside. Micscape Editor's note.
Heart, liver, or kidney disease. Sometimes swelling can indicate a problem such as heart, liver, or kidney disease. Ankles that swell in the evening could be a sign of retaining salt and water because of right-sided heart failure. Kidney disease can also cause foot and ankle swelling.
Swelling of the lower leg and ankle is a common problem. Determining the cause of ankle swelling is the first step to finding effective treatment. Once the cause of the ankle swelling is determined, effective treatment can be initiated. Ankle swelling causes the accumulation of fluid within the ankle joint or in the soft tissues surrounding the ankle. Common causes of ankle swelling include: Traumatic Injury. A traumatic injury, such as an ankle sprain or a broken ankle, is the most common cause of ankle swelling. Patients almost always remember the particular injury, but occasionally even subtle injuries can also lead to ankle swelling. Also, stress fractures can occur around the ankle joint leading to swelling.