Mindblown: a blog about philosophy.
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Prolapse of the umbilical cord
Premature expulsion of a loop of umbilical cord into the cervical or vaginal canal dining labor before engagement of the presenting part, a potentially life-threatening event that occurs in about 2 of 1000 births. The greatest danger of cord prolapse is neonatal asphyxia and death.
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Pelvic organ prolapse
Protrusion of the pelvic organs into or through the vaginal canal. This condition is usually due to direct or indirect damage to the vagina and its pelvic support system. The damage may be related to stretching or laceration of the vaginal wall, hypoestrogenic atrophy, or injury to the nerves of the pelvic support structures.
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Lumbar disk prolapse
Herniated intervertebral disk.
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Prolapse of the iris
Protrusion of the iris through an injury in the cornea.
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Prolamin
A class of vegetable proteins found in seeds and cereal grains (e.g., wheat, rye, barley, and com) that contain high levels of glutamic acid.
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Prokineticin
A class of proteins that stimulate intestinal muscles to contract.
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Prokinetic
Producing increased activity of the muscles of the stomach and the upper gastrointestinal tract. A medication that enhances the rate at which the stomach empties and promotes intestinal motility, thereby accelerating the movement of digested contents through the gastrointestinal tract.
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Prokaryotae
In taxonomy, the kingdom of organisms with prokaryotic cell structure, that is, they lack membrane-bound cell organelles and a nuclear membrane around the chromosome. Included are the bacteria and cyanobacteria (formerly the blue-green algae).
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Prokaryon
Nuclear material that is spread throughout the cell cytoplasm and is not bounded by a membrane.
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Lateral skull projection
A radiograph in which the central ray is directed through the acoustic meatus and perpendicular to the midsagittal plane of the cranium and the radiographical film. It is used to evaluate the skull for abnormalities caused by developmental or connective tissue diseases, cancer, and trauma.
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