Isoseji wuhlobo lomkhiqizo wenyama ovame ukwenziwa ngenyama egayiwe, ngokuvamile eyengulube, yenkomo, noma yenkukhu, kanye nosawoti, izinongo nokunye ukunambitheka.Ezinye izithako ezifana nezinhlamvu noma imvuthuluka yesinkwa zingase zifakwe njengama-fillers noma izandiso. Igama elithi isoseji lingabhekisela enyameni yesoseji exekethile, engakhiwa ibe ama-patties noma igxishwe esikhumbeni. Uma ubizwa ngokuthi "isoseji," umkhiqizo uvame ukuba yi-cylindrical futhi umbozwe esikhumbeni. Imvamisa, isoseji lakhiwa ku- casing ngokwesiko elenziwe kusuka emathunjini kodwa kwesinye isikhathi ngezinto zokwenziwa.amasoseji athengiswa eluhlaza aphekwa ngezindlela eziningi, okuhlanganisa ukuthosa epanini, ukuqhosa kanye nokosa. Amanye amasoseji aphekwa ngesikhathi sokucutshungulwa futhi i-casing ingase isuswe. Ukwenza amasoseji kuyindlela evamile yokugcina ukudla .Amasoseji angase alondolozwe ngokuphulukisa, ukomiswa (ngokuvamile ngokuhambisana nokuvutshelwa noma ukukhuliswa, okungaba nomthelela ekulondolozweni), ukubhema, noma ukuqhwa.Amanye amasoseji eselashiwe noma abhenyiwe angagcinwa ngaphandle kwesiqandisi. Amasoseji amaningi amasha kufanele abe esiqandisini noma aqandiswe aze aphekwe. Amasoseji enziwa ngezinhlobonhlobo zezinhlobonhlobo zikazwelonke nezesifunda, ezihluka ngezinhlobo zenyama esetshenziswayo, izithako zokunambitheka noma izinongo (ugalikhi, upelepele, iwayini, njll.), kanye nendlela yokulungiselela. Igama elithi isoseji laqala ukusetshenziswa esiNgisini phakathi nekhulu le-15, i-spelled sawsyge.Leli gama livela ku-Old North French saussiche