Dictionary

congenital defect A birth defect.

congenital clasped thumbs with mental retardation See adducted thumbs.

congenital aganglionic megacolon See Hirschsprung’s disease.

congenital A condition that is present at birth, whether or not it is inherited.

cone cell A light-sensitive cell in the retina of the eye. Cone cells absorb light and are essential for distinguishing colors.

cone biopsy See conization.

condyloma subcutaneum A sexually transmitted disorder characterized by wartlike growths around the anus and genitals that is caused by the virus poxvirus. Also known as molluscum contagiosum.

condyloma latum A form of the secondary stage of syphilis, characterized by wartlike growths around the anus.

condyloma acuminatum A sexually transmitted disorder characterized by wartlike growths around the vulva. See also genital warts.

condyloma Wartlike growths around the anus, vulva, or glans penis. There are three major types of condyloma, each of which is sexually transmitted: condyloma acuminatum (warts around the vulva), condyloma latum (a form of secondary syphilis), and condyloma subcutaneum (also known as molluscum contagiosum).

conduction system, cardiac See cardiac conduction system.

condom, male A sheath made of latex, lambskin, or other material that is placed over the erect penis before penetration to collect semen, preventing the semen from reaching the cervix, and thereby preventing conception. When used consistently, a condom is a reasonably reliable method of contraception, especially if it is combined with the use of…