next of the small intestines is the
jejunum
, so called from its being generally empty. It is smaller in bulk than the duodenum, and the chyme passes rapidly through it.
in the list is the
ileum
; but it is difficult to say where the jejunum terminates and the ileum commences, except that the latter is usually one-fifth longer than the former.
the termination of the ileum the
cæcum