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.

trunk

(trŭnk), [TA]
1. The body (trunk or torso), excluding the head and extremities.
2. A primary nerve, vessel, or collection of tissue before its division.
3. A large collecting lymphatic vessel.
Synonym(s): truncus [TA]
[L. truncus]

trunk

(trungk)
1. torso; the main part of the body, to which head and limbs are attached.
2. a major, undivided and often short, part of a nerve, vessel, or duct.

brachiocephalic trunk  a vessel arising from the arch of the aorta and giving rise to the right common carotid and right subclavian arteries.
celiac trunk  the arterial trunk arising from the abdominal aorta and giving origin to the left gastric, common hepatic, and splenic arteries.
lumbosacral trunk  a trunk formed by union of the lower part of the anterior branch of the fourth lumbar nerve with the anterior branch of the fifth lumbar nerve.
lymphatic trunks  the lymphatic vessels that drain lymph from the various regions of the body into the right lymphatic or the 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.

trunk

(trŭngk)
n.
1. The body of a human excluding the head and limbs.
2. The main stem of a blood vessel or nerve apart from the branches.
3. A large collecting lymphatic vessel.

trunk

Etymology: L, truncus
1 the main stalk of an anatomical structure with many branches, such as an artery or nerve.
2 also called torso, the body excluding the head and appendages.

trunk

(trŭngk) [TA]
1. The body (trunk or torso), excluding the head and extremities.
2. A primary nerve, vessel, or collection of tissue before its division.
3. A large collecting lymphatic vessel.
Synonym(s): truncus [TA] .
[L. truncus]

trunk

  1. the main stem of a tree.
  2. the body excluding the head, neck and limbs, i.e. the torso.
  3. the thorax of an insect.
  4. the elongated prehensile proboscis of an elephant.
  5. the main stem of a nerve, blood vessel, etc.

Trunk

That part of the body that does not include the head, arms, and legs.
Mentioned in: Chickenpox

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.
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