Anosmia: The failure of the development of or the loss of the sense of smell.
Anotia: The absence from birth of the external, visible part of the ear (the auricle).
Anovular: Not accompanied by ovulation, the release of an ovum (egg) from the ovary. Synonymous with anovulatory.
- 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.
Anovulatory: Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory menstruation. Synonymous with anovular.
Anoxia: The absence, or near absence, of oxygen. Anoxia can injure tissues of the body.