Umhlaza wemithambo-luvo ngumhlaza wengqondo okanye womqolo. Kwenzeka xa iiseli ezingaphakathi kwengqondo yakho ziphindaphindeka ngokungalawulekiyo, zenza ubunzima. Olu bunzima, olukwabizwa ngokuba yi-tumor, lunokuba nomhlaza (umgangatho ophezulu, unobungozi) okanye ungabi nomhlaza (ibakala eliphantsi, elibi).
Astrocytoma
Astrocytoma