Sashin trachea

Wannan abun ya kunshi nau'uka daban-daban guda 3 akan tushe daya: na farkon ya sake samfurin 3X mai girman rai na trachea mutum; ana iya raba shi cikin tsayi zuwa kashi biyu don nuna aikin cikin ciki. Misali na biyu shine fadada ɓangaren bututun trachea na gaba; yana nuna dukkan yadudduka daban-daban, daga guringuntsi na tracheal zuwa epithelium. Na ukun yana nuna babban adadi wanda aka adana shi a cikin babban daki-daki: yana nuna kwayayen da ke kwance a ciki da sel.