pulmonary trunk


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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 ?
11) The pulmonic valve has 3 semilunar cusps and prevents regurgitation from the pulmonary trunk into the right ventricle during diastole.
In the same heart, the left coronary artery was originating from the pulmonary trunk at its posterior wall, emerged between the pulmonary trunk and the left auricle and continued as the anterior interventricular branch, there being no circumflex branch (Fig.
Transverse sections of CT pulmonary angiography (a, b) showing dilated central pulmonary arteries with an intimal flap (black arrow) in the main pulmonary trunk and right pulmonary artery.
In type I, the most common type in humans, a single pulmonary trunk arises from the CAT, which subsequently bifurcates into the right and left pulmonary arteries [4].
Hence, there was no anastomotic circle around the pulmonary trunk ('annulus of Vieussens').
In my opinion it had just broken off that morning and lodged in her pulmonary trunk and this is the cause of her sudden demise.
After thrombus fragmentation and thrombus aspiration, urokinase (250,000 U) was sprayed transcatheter to the main pulmonary trunk.
7) The pathological criteria for idiopathic aneurysm are described as, (1) Dilation of pulmonary trunk (involvement of arterial tree might or might not be present), (2) Absence of extra- or intra-cardiac shunts, (3) Absence of pulmonary disease or chronic cardiac disease, and (4) More than minimal atheromatosis or pulmonary vascular tree arteriosclerosis or absence of arterial disease.
Magnetic resonance imaging showed that the left atrium was connected to the morphologic right ventricle, from which aorta arises; the right atrium was connected to the morphologic left ventricle, from which the pulmonary trunk arises [Figure 1].
CT findings can be used to plan interventional procedures to open a partially occluded pulmonary trunk or major pulmonary arteries which may have a life-saving effect.
2,12) In the most common form of this anomaly, the LCA arises from the pulmonary trunk, and the RCA arises normally from the aorta (Bland-White-Garland syndrome).
presence of pulmonary hypertension; main pulmonary trunk >3 cm

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