signet ring (medical)
Used almost exclusively in medical terminology, particularly in the compound 印環細胞 (signet ring cell). Rarely appears independently outside of medical contexts.
See also: 印環細胞
Signet ring cells can be seen in the histological diagnosis of gastric cancer.
The word 印環 is mainly used in the form 印環細胞.
signet ring cell
Compound of 印 (seal, stamp) and 環 (ring), literally 'seal ring', referring to a signet ring. The medical usage is a calque from Western medical terminology.