pulmonary trunk


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Related to pulmonary trunk: pulmonary valve, Pulmonary Veins, Ligamentum arteriosum, Coronary arteries

trunk

 [trungk]
1. the part of the body to which the head and limbs are attached; called also torso.
2. a larger structure, such as a vessel or nerve, from which smaller divisions or branches arise, or that is created by their union. adj., adj trun´cal.
brachiocephalic trunk truncus brachiocephalicus.
celiac trunk the arterial trunk arising from the abdominal aorta and giving origin to the left gastric, common hepatic, and splenic arteries.
encephalic trunk brainstem.
lumbosacral trunk a trunk formed by union of the lower part of ventral branch of the fourth lumbar nerve with the ventral branch of the fifth lumbar nerve.
lymphatic t's the lymphatic vessels (right or left lumbar, intestinal, right or left bronchomediastinal, right or left subclavian, and right or left jugular trunks) that drain lymph from various regions of the body into the right lymphatic or thoracic duct.
pulmonary trunk a vessel arising from the conus arteriosus of the right ventricle and bifurcating into the right and left pulmonary arteries.
sympathetic trunk two long ganglionated nerve strands, one on each side of the vertebral column, extending from the base of the skull to the coccyx.

pul·mo·nar·y trunk

[TA]
origin, right ventricle of heart; distribution, it divides into the right pulmonary artery and the left pulmonary artery, which enter the corresponding lungs and branch along with the segmental bronchi.

pulmonary trunk

the short, wide vessel that conveys venous blood from the right ventricle of the heart to the lungs. It is approximately 5 cm long and 3 cm in diameter, and it ascends obliquely, dividing into right and left branches.

pul·mo·nar·y trunk

(pul'mŏ-nar-ē trŭngk) [TA]
Origin, right ventricle of heart; distribution, it divides into the right pulmonary artery and the left pulmonary artery, which enter the corresponding lungs and branch along with the segmental bronchi.
Synonym(s): truncus pulmonalis [TA] , arteria pulmonalis, pulmonary artery.

trunk

1. the main part, as the part of the body to which the head and limbs are attached, or a larger structure (e.g. vessel or nerve) from which smaller divisions or branches arise, or which is created by their union.
2. the extended nose of the elephant, containing many muscles giving it extraordinary strength and mobility. Anatomically it includes the nose and upper lip. There is a single finger-like papilla on the dorsal part of the tip in the Asian elephant and two papillae on the African elephant.

bicarotid trunk
a short artery which is the origin of the common carotid arteries in ungulates.
brachiocephalic trunk
see Table 9.
celiac trunk
the arterial trunk arising from the abdominal aorta and giving origin to the left gastric, common hepatic, and splenic arteries; see Table 9.
costocervical trunk
a branch of the subclavian artery; see Table 9.
lumbar lymph trunk
a plexus of lymph vessels on the roof of the abdomen; drain into the cisterna chyli.
lumbosacral trunk
a nerve trunk formed by union of the ventral branches of the lumbar and sacral nerves; see also Table 9.
pudendoepigastric trunk
see Table 9.
pulmonary trunk
a vessel arising from the conus arteriosus of the right ventricle and bifurcating into the right and left pulmonary arteries; see also Table 9.
sympathetic trunk
see sympathetic trunk.
vagal trunk
see dorsal, ventral vagal trunks in Table 14.
References in periodicals archive ?
After origin, it ran upwards and to the right on the anterior surface of the left atrium behind the aorta and pulmonary trunk to reach the S.
Among coronary artery anomalies, ACAOS poses a relatively higher risk of sudden death, particularly in the young and when the anomalous artery courses between the ascending aorta and pulmonary trunk (1, 2).
After the procedure, the RV pressure was 52/15 mm Hg, and the peak-to-peak gradient between the RV and pulmonary trunk was 25 mm Hg.
There were no significant signs of PAH, except splitting of the S2 at pulmonary trunk area on auscultation.
The posteroanterior chest radiograph demonstrates slight pulmonary plethora, a large pulmonary trunk and proximal pulmonary arteries, and a cardiothoracic ratio of 0.
However, in this case, the diffuse extension of the aneurysm from truncus to distal branches of the bilateral pulmonary artery was prominent in comparison to other cases reported in the literature where pulmonary hypertension usually was related to main pulmonary trunk involvement.
Several runs of ventricular tachycardia occurred when the catheter was positioned in the outflow tract of the right ventricle, and consequently the pulmonary trunk was not entered.
With type I, having a supracardiac connection (50%), the common pulmonary trunk joins the left vertical vein, the innominate vein, or the superior vena cava.
A posteroanterior chest roentgenogram showed scoliosis, left-sided aortic arch, left-sided cardiac apex, dilated azygos vein, generalized cardiomegaly, prominent pulmonary trunk, and plethoric lungs (Figure 3a).
The other associated cardiac anomalies include left coronary artery originating from the pulmonary trunk, coronary arterioventricular fistulae, right coronnary artery atresia, pulmonar artery atresia, subpulmonary stenosis, anomalous pulmonary venous return, patent ductus arteriosus, tetralogy of Fallot, transposition of the great arteries, dextrocardia and aortic atresia (8,9).
Bang, MD: The chest radiograph taken in the emergency department showed that the pulmonary trunk, both right and left main pulmonary arteries, and heart were dilated.

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