A14 An Juya

Maɓallin Maɓuɓɓugar Maɓallin Maɓalli, sigar "inverted" ce ta madaidaiciyar madubin halittu, duka tushen haske da mai sanya sama sama sama da matakin kuma suna nunawa zuwa ga matakin, yayin da manufofin da maƙasudin maƙasudin suna ƙarƙashin ƙirar da ke nuna sama, An ƙirƙira shi a 1850 ta J. Lawrence Smith, ana amfani da shi don lura da ƙwayoyin rai ko ƙwayoyin halitta a ƙasan abincin Petri ko ƙyallen al'adun nama. Hakanan kwayoyi masu jujjuya ilimin halittu zasu iya samarda filin haske, banbancin lokaci, ko kuma aikin fitila mai haske.