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Cotyledon
| Глоссарий медицинских терминов |
One of the divisions of a placenta
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Trapezoid, английский
One of the eight small carpal bones in the wrist, below the first finger. see illustration at hand in supplement
Blood group, английский
One of the different groups into which human blood is classified. also called blood type comment: blood is classified in various ways. the most common classifications are by the agglutinogens (factors a and b) in red blood cells and by the rhesus factor. blood can therefore have either factor (group a and group b) or both factors (group ab) or neither (group o) and each of these groups can be rhesus negative or positive.
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