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.
Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time. A videophone is a telephone with a video display, capable of simultaneous video and audio for communication between people in real-time. Videoconferencing implies the use of this technology for a group or organizational meeting rather than for individuals, in a videoconference.