Mindblown: a blog about philosophy.
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Placental barrier
A barrier which prevents the blood of a fetus and that of the mother from mixing, but allows water, oxygen and hormones to pass from mother to fetus. The selective ability of the placental membranes to limit the exchange of substances between the maternal and fetal circulations. Although water, oxygen and other gases, drugs, needed…
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Placental
Referring to the placenta.
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Pityriasis rubra
A serious, sometimes fatal, skin disease, a type of exfoliative dermatitis in which the skin turns dark red and is covered with white scales. A long-lasting inflammatory skin condition that typically affects the entire body. The skin becomes red and is overlaid with white scales. The condition can persist for months to years and often…
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Pityriasis rosea
A mild irritating rash affecting young people, which appears especially in the early part of the year and has no known cause. A benign (noncancerous) skin rash that usually begins with a single oval patch and then spreads. The original patch, which may be rosy pink, salmon, or tan, commonly appears on the trunk. Within…
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Pityriasis alba
A disease affecting children which results in flat white patches on the cheeks that usually heal naturally. A common asymptomatic disorder characterized by round or oval, white, scaly patches on the skin. Patches most commonly occur on the cheeks but may also occur elsewhere on the face or on the upper arms, thighs, and neck.…
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Pituitrin
A hormone secreted by the pituitary gland. A branded formula derived from the hormone of the pituitary gland’s posterior lobe.
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Pitting
The formation of hollows in the skin. The formation of depressed scars, as occurs on the skin following smallpox or acne. Pitting edema is swelling of the tissues due to excess fluid in which fingertip pressure leaves temporary indentations in the skin. The formation of pits, depressions, or scars, as in smallpox. The development of…
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Pithiatism
A way of influencing someone’s mind by persuading him or her of something, as when a doctor treats a condition by telling the person that he or she is in fact well. The treatment of certain disorders by persuading the patient that all is well. Disorders that disappear in these circumstances are regarded as manifestations…
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Pit of the stomach
The epigastrium, the part of the upper abdomen between the ribcage above the navel. Colloquial term for the depression at the end of the xiphoid process.
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Piroxicam
A non-steroidal anti-inflammatory drug used in the treatment of rheumatoid arthritis and osteoarthritis. Nonsteroidal anti-inflammatory agent used in the treatment of osteoarthritis, rheumatoid arthritis, and other inflammatory conditions. Adverse effects include gastrointestinal bleeding and nausea. An intermediate risk, oral non-steroidal anti-inflammatory drug with prolonged action. Used to treat pain and inflammation in rheumatoid arthritis, other…
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