Subclavian loop

Subclavian loop (ansa subclavia), also known as Vieussens' ansa after French anatomist Raymond Vieussens (1635-1715), is a nerve cord that is a connection between the middle and inferior cervical ganglion, and forms a loop around the subclavian artery. This communicating branch downwards anteromedial to the vertebral artery makes a loop around the subclavian artery from anterior to posterior and then lies medially to the internal thoracic artery respectively. Sometimes there are two communicating branches encompassing the vertebral artery, one from anterior and the other from posterior.

单词	Subclavian loop
释义	Subclavian loop 英语百科 Subclavian loop Subclavian loop (ansa subclavia), also known as Vieussens' ansa after French anatomist Raymond Vieussens (1635-1715), is a nerve cord that is a connection between the middle and inferior cervical ganglion, and forms a loop around the subclavian artery. This communicating branch downwards anteromedial to the vertebral artery makes a loop around the subclavian artery from anterior to posterior and then lies medially to the internal thoracic artery respectively. Sometimes there are two communicating branches encompassing the vertebral artery, one from anterior and the other from posterior.
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