(a.) Existing at, or dating from, birth; pertaining to one from birth; born with one; connate; constitutional; natural; as, a congenital deformity. See Connate.
Example Sentences:
(1) The origin of the aorta and pulmonary artery from the right ventricle is a complicated and little studied congenital cardiac malformation.
(2) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
(3) The position of the cyst supports the theory that branchial cysts are congenital in origin.
(4) In addition, congenital anemias such as sickle cell disease can impact on the health of the mother and fetus.
(5) A case of congenital subglottic fibroma is presented.
(6) Congenitally deficient plasmas were used as the substrate for the measurement of procoagulant activities in a one-stage clotting assay.
(7) Attempts to eliminate congenital dislocation of the hip by detecting it early have not been completely successful.
(8) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
(9) In the interim, sonographic studies during pregnancy in women at risk for AIDS may be helpful in identifying fetal intrauterine growth retardation and may help raise our level of suspicion for congenital AIDS.
(10) After early repair of congenital cardiovascular defects, such as coarctation of the aorta, late stenosis may become a problem.
(11) This study examines the morphology of sporadic congenital microphthalmia in 1-day-old chicks, with particular emphasis on the neural retina.
(12) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
(13) Aplasia of the trachea associated with multiple congenital anomalies is described in a stillborn male foetus with single umbilical artery.
(14) Neuromuscular disorders in small animals include a diverse group of congenital and acquired diseases.
(15) Urologic evaluation of all patients with congenital scoliosis is recommended; however, diagnostic ultrasonographic evaluations of the urinary tract have proven to be an acceptable alternative as an initial screening modality.
(16) These examinations are used in the evaluation of congenital heart disease for preoperative planning and postoperative evaluation.
(17) Further management of the congenital cases was based on the experience that children outgrow this disorder; periodic dilatation may augment the natural process.
(18) Congenital defect of a cervical pedicle produces a rare clinical syndrome with a characteristic X-ray picture associated with vague clinical signs often accentuated after trauma.
(19) We document four patients, including two sibs, with asphyxiating thoracic dystrophy and mild congenital hydrocephalus.
(20) A case of mixed congenital abnormalities in a fetus demonstrated ultrasonographically during the second trimester of pregnancy in an uncontrolled insulin-dependent diabetic mother is presented.
Teratology
Definition:
(n.) That branch of biological science which treats of monstrosities, malformations, or deviations from the normal type of structure, either in plants or animals.
(n.) Affectation of sublimity; bombast.
Example Sentences:
(1) The importance of precocious development for planning teratological studies is emphasized.
(2) Unlike previous studies with 13-cis-retinoic acid during the pre- and early organogenic stages of development (Hummler et al., Teratology 42:263-272, 1990), no thymic hypo- or aplasia or heart anomalies were observed, which may be attributable to the slightly longer 13-cis retinoic acid treatment period, i.e., GD 10-27.
(3) It seems likely that diaphragmatic hernia is a non-specific consequence of several teratological processes.
(4) The principles of teratology are described, and animal models for research in abnormal ocular development and clinical studies of human teratogens are surveyed.
(5) Functional teratology is quite a new concept in neuroscience.
(6) Dams were killed on Day 19 and the fetuses were assessed for teratologic anomalies.
(7) On the basis of findings published in the literature, morphologic changes seen among the author's patients were classified as anthropologic and teratologic dislocations.
(8) The synthesis of these sciences into the relatively nascent science of reproductive toxicology includes teratology, pharmacology, epidemiology, and occupational and environmental health.
(9) In 1652, a chair of anatomy was created; embryology and teratology, at that time solely morphological sciences, depended on anatomy.
(10) No teratological or abortifacient effects were noted.
(11) The elaboration of the effect of retinoic acid on limb morphogenesis has prompted renewed investigation into the teratology of retinoic acid treatment, with the hope that such analysis might give insight into mechanisms of vertebrate patterning.
(12) The first generation (F0) gilts were bred after 4 months of study; some were killed for teratologic assays at 100 days of gestation (dg), and the others produced an F1 generation of offspring.
(13) The results are discussed with particular reference to the evaluation of teratologic studies on food colouring in general and the various regulation proposals from the National Food Administration.
(14) It also illustrates that selected histochemical studies may be helpful in a teratologic investigation.
(15) Subtle functional disturbances in organisms exposed while immature (behavioral teratology) may be one of the most sensitive indicators of chemical toxicity.
(16) N-Ethyl-N-nitrosourea (ENU) was administered intravenously to pregnant Wistar-albino rats on days 14--21 of gestation in order to study the teratological effects of the carcinogen on the developing brain.
(17) Concerning the applied doses no teratological effect was observed.
(18) The developmental toxicity of acetonitrile and 5 halogenated derivatives was examined with an in vivo teratology screen adapted for use in the Long-Evans rat.
(19) A wealth of literature has become available about lasting functional consequences of perinatal psychotropic drug exposure, having affected brain development in a subtle rather than gross structural way (behavioral teratology or functional neuroteratology).
(20) It is suggested that teratological investigations be carried out on the basis of a clearly formulated problem using experimental procedures suited to the biological characteristics of the test substances and of the animals.