ansa subclavia


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an·sa sub·cla·'vi·a

[TA]
a nerve cord connecting the middle cervical and inferior cervical or stellate sympathetic ganglia, forming a loop around the subclavian artery.

an·sa sub·cla·vi·a

(an'să sŭb-klā'vē-ă) [TA]
A nerve cord connecting the middle cervical and stellate sympathetic ganglia, forming a loop around the subclavian artery.

Vieussens,

Raymond de, French anatomist, 1641-1715.
valve of Vieussens - a prominent valve in the great cardiac vein where it turns around the obtuse margin to become the coronary sinus.
Vieussens annulus - Synonym(s): Vieussens ring
Vieussens ansa - Synonym(s): Vieussens loop
Vieussens centrum - the great mass of white matter composing the interior of the cerebral hemisphere. Synonym(s): centrum semiovale
Vieussens foramina - a number of fossae in the wall of the right atrium, containing the openings of minute intramural veins. Synonym(s): foramina of the venae minimae
Vieussens ganglia - the largest and highest group of prevertebral sympathetic ganglia, located on the superior part of the abdominal aorta, on either side of the origin of the celiac artery. Synonym(s): celiac ganglia
Vieussens isthmus - Synonym(s): Vieussens ring
Vieussens limbus - Synonym(s): Vieussens ring
Vieussens loop - a nerve cord connecting the middle cervical and stellate sympathetic ganglia, forming a loop around the subclavian artery. Synonym(s): ansa subclavia; Vieussens ansa
Vieussens ring - a muscular ring surrounding the fossa ovalis in the wall of the right atrium of the heart. Synonym(s): limbus fossae ovalis; Vieussens annulus; Vieussens isthmus; Vieussens limbus
Vieussens valve - the thin layer of white matter stretching between the two superior cerebellar peduncles forming the roof of the superior recess of the fourth ventricle. Synonym(s): superior medullary velum
Vieussens veins - the small superficial veins of the heart. Synonym(s): innominate cardiac veins
Vieussens ventricle - a slitlike, fluid-filled space of variable width between the left and right transparent septum. Synonym(s): cavity of septum pellucidum
References in periodicals archive ?
Eight of examined horses, had one ramus communicating from the cervicothoracic ganglion, whereas two horses, had one ramus communicating from vertebral nerve, another two horses from the dorsal loop of ansa subclavia.
The middle cervical ganglion communicated with the caudal cervical ganglion only by one main nerve trunk (which considered as the cranial loop of the ansa subclavia).
Ansa subclavia was formed by two loops; the cranial and caudal loop.
4: rv) which directed caudoventrally then divided into two branches after its origin by 1.3 [+ or -] 0.24 cm to communicate with the caudal loop of ansa subclavia, in which one branch proceeding to other by 2.3 [+ or -] 0.26 cm in the communication.