Kalmar “acanthion” kalma ce ta likitanci wacce ke nufin wani takamammen alamomin halittar jiki dake gindin hanci, inda tsagin hanci da lebe na sama suka hadu. Hasashen kashi ne da aka samu ta hanyar haɗuwar ƙasusuwan ƙasusuwan ƙasusuwa, premaxilla da maxilla, kuma a wasu lokuta ana amfani da shi azaman maƙasudi a wasu hanyoyin magani ko ma'auni.
