subclavian groove

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sub·cla·vi·an groove

a groove on the inferior surface of the body of the clavicle to which is attached the subclavius muscle.
References in periodicals archive ?
The lateral half of this surface has a longitudinal subclavian groove.
The presence of a widened mediastinum on chest radiograph, upper-extremity pulse deficits, displaced first rib fractures, subclavian groove fractures, brachial plexus injury and an expanding haematoma are situations where such investigations are warranted.