Anovular menstruation
Anovular menstruation: Menstruation without ovulation. The egg stays within the ovary and usually disintegrates but sometimes it is fertilized, resulting in a life-threatening pregnancy within the ovary.
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- Anovulatory
Anovulatory: Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory menstruation. Synonymous with anovular.
- Anoxia
Anoxia: The absence, or near absence, of oxygen. Anoxia can injure tissues of the body.
- Ant, fire
Ant, fire: Originally from South America, a red or yellowish ant of small to medium size that has a severe sting that burns like fire. The sting of a fire ant causes a pustule to form within 24 hours that takes several days to resolve. Fire ant toxin can trigger an allergic reaction, particularly in […]
- Antagonist
Antagonist: A substance that acts against and blocks an action. Antagonist is the opposite of agonist. Antagonists and agonists are key players in the chemistry of the human body and in pharmacology.
- Antean
Antean: Exceptionally strong or large. After Antaeus, the mythological Greek giant. The son of the earth mother Gaia, Antaeus challenged anyone he encountered to wrestle and always won, since he received strength from his mother, the earth, as long as he was in touch with her. Hercules discovered the secret of Antaeus, lifted him off […]