Ablate: To remove. A tumor may be ablated. To ablate the thyroid gland is to remove it. The word “ablation” came from the Latin “ablatum” meaning to carry away.
Abortifacient: A medication or substance that causes pregnancy to end prematurely.
- Ablation, endometrial
Ablation, endometrial: Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it completely. Ablation means removal or excision, usually surgically. The word comes from the Latin ablatum meaning to carry away. The endometrium is the inner layer of the uterus (womb), the uterine lining which is normally shed […]
A-: Prefix indicating the absence or depletion of something: for example, aphagia (not eating) or aphonia (voiceless). The related prefix an- is usually used before a vowel, as in anemia (without blood) and anoxia (without oxygen).
- ABO blood group
ABO blood group: The major human blood group system. The ABO type of a person depends on the presence or absence of two genes, A and B. These genes determine the configuration of the red blood cell surface. A person who has two A genes has red blood cells of type A. A person who […]
- Abortion, multiple
Abortion, multiple: Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have about a 5% chance that one member of the couple is carrying a chromosome translocation responsible for the miscarriages.