Second stage of labor
The part of labor from the full dilatation of the cervix until the baby is completely out of the birth canal. The second stage of labor is also called the stage of expulsion.
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- Second wave
A phenomenon of infections that can develop during a pandemic. The disease infects one group of people first. Infections appear to decrease. And then, infections increase in a different part of the population, resulting in a second wave of infections.
- Second-hand smoke
Environmental tobacco smoke that is inhaled involuntarily or passively by someone who is not smoking. Environmental tobacco smoke is generated from the sidestream (the burning end) of a cigarette, pipe or cigar or from the exhaled mainstream (the smoke puffed out by smokers) of cigarettes, pipes, and cigars. Environmental tobacco smoke was classified as a […]
- Secondary amenorrhea
Depo-Provera); in this case, amenorrhea is an expected effect.
- Secondary amyloidosis
One of a group of diseases (called amyloidosis) in which protein deposits (amyloid) accumulate in one or more organ systems in the body, secondary amyloid is caused by a chronic infection or inflammatory disease such as rheumatoid arthritis, familial Mediterranean fever, osteomyelitis, or granulomatous ileitis. The protein deposits in this type of the disease are […]
- Secondary atelectasis
Partial or total collapse of a lung or a segment of a lung that was once expanded, as may happen after chest surgery. Secondary atelectasis is in contrast to primary atelectasis in which there is failure of the lung to expand fully at birth.