Mindblown: a blog about philosophy.
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Sign of disease
An observable indication that something is wrong with a part of the body, e.g., rash, bleeding, symptom.
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Sigmoidoscope
An instrument consisting of a hollow tube that can be passed through the anus into the rectum and the lower part of the large intestine for diagnosis of conditions within these organs. A surgical instrument with a light at the end which can be passed into the rectum so that the sigmoid colon can be…
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Sigmoid colon
The terminal division of the large intestine that makes several turns resembling the letter S and terminating at the rectum. The fourth section of the colon which continues as the rectum. That part of the colon extending from the end of the descending colon to the rectum. An S-shaped section of bowel preceded by the…
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Sidestream smoke
Smoke inhaled from the burning tobacco products or others. Smoke that goes directly into the air from burning tobacco. The smoke produced by the smoldering tip of a cigarette, cigar, or pipe, as well as the smoke exhaled by the smoker, constitutes what is commonly referred to as second-hand smoke. This term encompasses both the…
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Side-by-side
A coital position in which the partners are positioned facing each other while lying on their sides.
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Sick-role behavior
As defined by SOPHE, that which occurs after the appearance of a symptom of illness or disease, health behavior; illness behavior.
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Sickledex test
A laboratory test to diagnose sickle cell anemia trait.
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Sickle-cell anemia trait
A genetic condition in which a person has inherited one recessive defective gene and one normal gene. The person is not clinically sick but can pass the sick-cell anemia (disease) onto his or her offspring. However, the person may experience mild symptoms under severe environmental conditions, sickle-cell anemia.
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Sickle-cell anemia (SCA)
A genetic blood defect. A genetic disease caused by a mutation in the code for one of the subunits of hemoglobin. Because of this mutation, the amino acid sequence of the protein is aberrant, which in turn affects its quatenary structure and its ability to carry oxygen. The name comes from the change in shape…
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Sib-mating (Crossing of siblings)
Matings involving two or more individuals of the same parentage, brother-sister mating.
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