ductus


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ductus

 [duk´tus] (pl. duc´tus) (L.)
ductus arterio´sus a fetal blood vessel that joins the aorta and pulmonary artery.
ductus de´ferens the excretory duct of the testis, which joins the excretory duct of the seminal vesicle to form the ejaculatory duct; called also vas deferens.
patent ductus arteriosus see patent ductus arteriosus.
ductus veno´sus a major blood channel that develops through the embryonic liver from the left umbilical vein to the inferior vena cava.

duct

(dŭkt), [TA]
A tubular structure giving exit to the secretion of a gland or organ, capable of conducting fluid.
See also: canal.
Synonym(s): ductus [TA]
[L. duco, pp. ductus, to lead]

duct

(dŭkt) [TA]
A tubular structure giving exit to the secretion of a gland, or conducting any fluid.
See also: canal
Synonym(s): ductus [TA] .
[L. duco, pp. ductus, to lead]

Ductus

The blood vessel that joins the pulmonary artery and the aorta. When the ductus does not close at birth, it causes a type of congenital heart disease called patent ductus arteriosus.

duct

(dŭkt) [TA]
Tubular structure giving exit to secretion of a gland or organ.
See also: canal
Synonym(s): ductus.
[L. duco, pp. ductus, to lead]
References in periodicals archive ?
This physiologic alteration for growth-restricted fetuses causes a decrease in ejection of the right ventricle, increase of systemic venous pressured pulsatility of the inferior vena cava, hepatic veins, and atrial contraction of the ductus venosus (9).
9, 10): valva not furcated and apical part of ampulla blunt shaped; uncus part deeply concave and bilobed; saccus elongated downward and very slender; ductus bursae of female genitalia shorter than corpus bursae (Fig.
The Krichenko type A (conical) ductus were present in 68% of our cases, that is in concordance to a report from Spain, where type A ducts were present in 64% of the cases5.
All the neonates were enrolled in study except patients with pulmonary hypertension (PPHN), patent ductus arteriosus (PDA) with age less than 3 days and patent foramen ovale (PFO) after taking written informed consent from parents/guardians.
Arteriovenous aneurysm on the pulmonary artery simulating patent ductus arteriosus botalli.
Fetal ultrasound revealed the absence of ductus venosus (DV) with the UV directly draining into the right atrium (Figure 1(a)), consistent with the extrahepatic drainage type of ADV.
small atrial septal defects, complete atrio-ventricular septal defects, absent pulmonary valve syndrome, coronary artery malformations, patent ductus arteriosus and aorto-pulmonary collaterals5-7.
Ten of 24 patients (41.7%) had patent ductus arteriosus, ventricular septal defect, atrial septal defect, transposition, hypoplastic right heart, or pulmonary artery stenosis.
Ultrasound of the abdomen showed ductus choledochus of hyperechoic wall and enlarged spleen, along with pre-existing aerobilia of the bile ducts.
Building close relationships throughout their organizations, helping them transform from traditional operations to a more software defined model, says Johan Backman, VP Region North America at Data Ductus.
Cardiovascular malformations were diagnostically categorized in the following nine subtypes: ventricular septal defect, atrial septal defect, patent ductus arteriosus, coarctation of aorta, pulmonary valve stenosis, tetralogy of Fallot, hypoplastic left heart syndrome, transposition of conducting arteries, and other uncommon subtypes such as ectopia cordis, ventricular double outlets, tricuspid atresia, inborn aortic arch anomalies, and others.