In a study published June 19 in eLife, the team reported the results of their investigation: the endolymphatic sac acts as a pressure-relief valve and is formed by a thin barrier of cellular projections that opens and closes to regulate the release of fluid from inside the inner ear. Their findings reveal a unique biological mechanism for.

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A ball valve is a flow control device which uses a hollow, perforated and pivoting ball to control fluid flowing through it. It is open when the ball's hole is in line with the flow inlet and closed when it is pivoted 90-degrees by the valve handle, blocking the flow. [1]

Introduction of Full Port Gate Valve. Also called a full bore gate valve, a full port gate valve contains an opening that shares a uniform diameter with the pipelines it connects to. It offers a full and unobstructed flow, making it best for applications that need a tight shut-off and free flow. A full bore gate valve is commonly found in.

Lung valves help to control airflow in the lungs of people with severe emphysema. Clinical studies have shown that lung valves can be more effective than standard care alone in certain people.