(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.
Melanism
Definition:
(n.) An undue development of dark-colored pigment in the skin or its appendages; -- the opposite of albinism.
(n.) A disease; black jaundice. See Mel/na.
Example Sentences:
(1) In agreement with the InsP3 assays, phorbol ester (TPA) has no effect on melanization, tyrosinase activity or cell proliferation.
(2) These skins preserve the aspects and behaviour of normal human skin but after 1 month they have a heavy melanic hyperpigmentation.
(3) The skin is heavily pigmented with the epidermis, pilary canals, and the outer cell layer of the apocrine duct richly melanized.
(4) A ventrally localized melanization inhibiting factor (MIF) has been suggested to play an important role in the establishment of the dorsal-ventral pigment pattern in Xenopus laevis [Fukuzawa and Ide:Dev.
(5) The processes of melanosome maturation in the late-melanizing goldfish are evident from these observations.
(6) Melanin granules inside keratinocytes were fully melanized.
(7) Melanization in vivo, and in vitro, due to a polyphenoloxidase released by the blood cells, was stimulated by the presence of the fungal cell wall surface.
(8) The endogenous norepinephrine level was increased in eyes with melanic pigments and the exogenous amine uptake was decreased.
(9) The data suggest that host endocrines are involved in the encapsulation and melanization reactions of the larvae, but the nature of the involvement is not known.
(10) These findings suggest that glutathione provides a new situation of interrupted melanogenesis in which melanization cannot proceed despite complete formation of melanosome matrix structure and a lack of inhibition of cellular metabolisms including protein glycosylation.
(11) Conidiogenous cells in both species developed melanin only within the lowermost part of the lateral walls while the other cells of the conidium were uniformly melanized around the circumference of the cell; melanin in these cells being deposited within, at least, half the width of the cell wall.
(12) These changes may indicate the gradual melanization of the lipopigments due to auto-oxidation of catecholamines.
(13) Depending on the dose or period of feeding, symptoms were cuticular melanization, swellings in intersegmental regions, cuticular lesions, rupture of the body wall, and death.
(14) Intracellular melanization, a defense or an immune response in the thoracic muscle cells, was investigated in a refractory strain of Anopheles quadrimaculatus infected with larvae of Brugia malayi.
(15) Difficulty encountered in resolving grains of exposed photographic emulsion in autoradiographs of the densely melanized retinal pigment epithelium was solved by using epi-polarized or incident light microscopy.
(16) Inhibition of tyrosine hydroxylase with alpha-methyl-p-tyrosine retarded growth and prevented melanization of limb regenerate in adult newts (Triturus cristatus).
(17) sinensis was 72.3%; the percentage of melanized microfilariae in young Cx.
(18) It is suggested that the surface of the parasite may have inhibitors against enzyme systems causing melanization.
(19) During melanization, oxidation products of tyrosine are generated which are toxic to the cells.
(20) The melanization response of adult female Aedes aegypti (black-eyed Liverpool strain) against intrathoracically inoculated Dirofilaria immitis microfilariae (mff) was assessed with transmission electron microscopy.