Dolor
Dolor: Pain, one of the four classic signs of inflammation together with calor, rubor, and tumor (heat, redness, and swelling, respectively).
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- Domagk, Gerhard
Domagk, Gerhard: German physician and chemist (1895-1946) who discovered the first sulfa drug, prontosil, which ushered in the era of antibacterial medicine. For more information, see Prontosil.
- Domain
Domain: In biomedicine, a discrete portion of a protein that has its own function. The combination of domains in a single protein determines the overall function of the protein.
- Dominant
Dominant: A genetic trait is considered dominant if it is expressed in a person who has only one copy of that gene. (In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene […]
- Donor
Donor: The giver of a tissue or an organ, such as a blood donor or kidney donor.
- Donor insemination
Donor insemination: A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the uterus) into the uterus (the womb) to deposit a sperm sample from a man other than the woman’s mate directly into the uterus. The purpose of this procedure is to achieve fertilization and pregnancy. Donor […]