Conception: 1. The union of the sperm and the ovum. Synonymous with fertilization.
2. The onset of pregnancy, marked by implantation of the blastocyst into the endometrium.
3. A basic understanding of a situation or a principle.
From the Latin conceptio, conceptionis meaning conception, becoming pregnant; drawing up of legal formulae; and from the Latin conceptus meaning conceiving, pregnancy; collecting, or a collection.
Concatenate: To link together in a chain or in a series. For example, the lymph nodes that appeared enlarged were concatenated, in a row like the links of a chain. The word “concatenate” comes from the Latin “concatenare” which was formed from “com-” meaning “with or together” and “catena” meaning “chain.” (The word “chain” itself […]
Concordance: 1. The presence of any given condition such as HIV in both members of a couple. 2. In genetics, the presence of a phenotype such as asthma in both members of a twin pair. 3. In clinical care, agreement between physician and patient. In all sense, concordance is as opposed to discordance. From the […]
Concordant: 1. Showing concordance, complete agreement. A couple may be concordant for a sexually transmitted infection, with both partners having it. 2. In transplantation genetics, between closely related species. A concordant xenograft is a transplant between members of closely related species.
- Concordant couple
Concordant couple: A pair of long-term sexual partners in which both partners have a sexually transmitted infection. The CDC has guidelines for counseling concordant couples in which both the man and woman are HIV-infected.
A traumatic injury to soft tissue, usually the brain, as a result of a violent blow, shaking, or spinning. A brain concussion can cause immediate but temporary impairment of brain functions, such as thinking, vision, equilibrium, and consciousness. After a person has had a concussion, he or she is at increased risk for recurrence. Moreover, […]