preferred_name: Pterygia (axillary, antecubital, popliteal, digital, intercrural)
preferred_name_lc: pterygia (axillary, antecubital, popliteal, digital, intercrural)
label: Pterygia (axillary, antecubital, popliteal, digital, intercrural)
label_lc: pterygia (axillary, antecubital, popliteal, digital, intercrural)