supraclavicular fossa supraclavicular fossa the supraclavicular fossa is an indentation (fossa) immediately above the clavicle. supraclavicular fossaanterolateral view of head and neck. (supraclavicular fossa labeled at center right.)front view of neck. (supraclavicular fossa labeled at center right.)detailsidentifierslatinfossa supraclavicularista98a01.2.02.011 a01.2.02.008ta2238, 240anatomical terminology in terminologia anatomica, it is divided into fossa supraclavicularis major and fossa supraclavicularis minor fullness in the supraclavicular fossa can be a sign of upper extremity deep venous thrombosis. additional images dissection of the supraclavicular fossa the margins of the supraclavicular fossa are often visible on chest x-ray