Sentence:  A study of the conditions under which <WSD>agonic</WSD> invagination of the intestine occurs will not be out of place in considering the etiology of intussusception. <WSD>Agonic</WSD> invagination is very much more common in children than adults, the proportion being, according to w:Hermann Nothnagel 
Meaning of the word marked with <WSD> tags:  Occurring shortly before death; agonal.