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# Axilla Inlet **Significance:** * Region separating the axilla from the torso * Narrow space through which several blood vessels and nerves pass **Structures Forming the Inlet:** * **Clavicle (collarbone):** anteriorly * **Upper part of the scapula (shoulder blade):** * posteriorly * l...

# Axilla Inlet **Significance:** * Region separating the axilla from the torso * Narrow space through which several blood vessels and nerves pass **Structures Forming the Inlet:** * **Clavicle (collarbone):** anteriorly * **Upper part of the scapula (shoulder blade):** * posteriorly * laterally (upper part of the scapula) **Main Blood Vessels and Nerves:** * **Brachial artery** * **Brachial plexus** * Pass through the inlet to the axilla and arm