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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.
ce·li·ac trunk(sē'lē-ak trŭngk)
Haller,Albrecht von, Swiss physiologist, 1708-1777.
Haller annulus - Synonym(s): Haller insula
Haller ansa - Synonym(s): communicating branch of facial nerve with glossopharyngeal nerve
Haller circle - (1) a network of branches of the short ciliary arteries on the sclera around the point of entrance of the optic nerve. Synonym(s): vascular circle of optic nerve; (2) a venous plexus in the areola surrounding the nipple.Synonym(s): areolar venous plexus
Haller cones - the coiled portion of the efferent ductules that constitute the head of the epididymis. Synonym(s): lobules of epididymis
Haller habenula - rarely used term for the cordlike remains of the vaginal process of the peritoneum. Synonym(s): Scarpa habenula
Haller insula - a doubling of the thoracic duct for part of its course through the thorax. Synonym(s): Haller annulus
Haller line - a thickened band of pia mater along the midline of the anterior surface of the spinal cord. Synonym(s): linea splendens
Haller plexus - a nervous plexus of sympathetic filaments and branches of the external laryngeal nerve on the surface of the inferior constrictor muscle of the pharynx.
Haller rete - the network of canals at the termination of the straight tubules in the mediastinum testis. Synonym(s): rete testis
Haller tripod - abdominal artery. Synonym(s): celiac trunk
Haller tunica vasculosa - the vascular, pigmentary, or middle coat of the eye, comprising the choroid, ciliary body, and iris. Synonym(s): vascular tunic of eye
Haller unguis - the lower of two elevations on the medial wall of the posterior horn of the lateral ventricle of the brain. Synonym(s): calcar avis
Haller vas aberrans - a narrow, coiled tubule frequently connected to the first part of the ductus deferens or to the lower part of the ductus epididymitis. Synonym(s): inferior aberrant ductule
Haller vascular tissue - the outer portion of the choroid of the eye containing the largest blood vessels. Synonym(s): vascular lamina of choroid