a recording mechanism, such as an animal, a farm or a veterinarian, posted explicitly to record a possible occurrence or series of occurrences in a prospective surveillance program. sentinel loop. a distended loop of small intestine associated with acute pancreatitis; visible in abdominal x-rays.
Video conferencing is a communications technology that integrates video and audio to connect users anywhere in the world as if they were in the same room.xpectations for the Future. It is expected that as video and audio communication technologies continue to improve, the experience of video conferencing will become increasingly natural and intuitive to a wider range of users.
Thus, if a video is 320 pixels wide and 240 pixels in height, it is said to have dimensions of 320 x 240 pixels. The aspect ratio of a video is the ratio of the video's width to the video's height. A video with dimensions of 320 x 240 pixels has an aspect ratio of 4:3.