Webster's New World Medical Dictionary

conduction system, cardiac
See 
cardiac con-
duction system.
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 mol-
luscum contagiosum).
condyloma acuminatum
A sexually transmitted
disorder characterized by wartlike growths around
the vulva. See also 
genital warts.
condyloma latum
A form of the secondary stage
of syphilis, characterized by wartlike growths
around the anus.
condyloma subcutaneum
A sexually transmit-
ted disorder characterized by wartlike growths
around the anus and genitals that is caused by the
virus poxvirus. Also known as molluscum contagio-
sum.
cone biopsy
See 
conization.
cone cell
A light-sensitive cell in the retina of the
eye. Cone cells absorb light and are essential for
distinguishing colors.
congenital
A condition that is present at birth,
whether or not it is inherited.
congenital aganglionic megacolon
See
Hirschsprung’s disease.
congenital clasped thumbs with mental retar-
dation
See 
adducted thumbs.
congenital defect
A birth defect.
congenital dislocation of the hip
See 
congen-
ital hip dislocation.
congenital heart disease
A malformation of the
heart, aorta, or other large blood vessels that is the
most frequent form of major birth defect in new-
borns. Abbreviated CHD. There are many types of
CHD, including atrial septal defect (ASD), ventricu-
lar septal defect (VSD), pulmonary (valvular)
stenosis, aortic stenosis, coarctation of the aorta,
Tetralogy of Fallot, and transposition of the great
arteries. Much of the practice of pediatric cardiol-
ogy consists of the diagnosis and treatment of CHD.
Also known as congenital heart defect, congenital
heart malformation, congenital cardiovascular dis-
ease, congenital cardiovascular defect, and congen-
ital cardiovascular malformation.