noun
abrachia; congenital absence of arms
Medical term for the congenital absence of both arms.
無腕症は非常にまれな先天異常です。
Abrachia is a very rare congenital anomaly.
Apodia (absence of feet); specifically the absence of feet.
From 無 (mu, 'without') + 腕 (wan, 'arm') + 症 (shō, 'condition'). A modern medical compound.