caecum
caecum , noun
[Latin caecus blind, invisible, concealed.]
(a)
(Anatomy) A cavity open at one end, as the blind end of a canal or duct.
(b)
(Anatomy) The blind part of the large intestine beyond the entrance of the small intestine; -- called also the blind gut.
The cacum is comparatively small in man, and ends in a slender portion, the vermiform appendix; but in herbivorous mammals it is often as large as the rest of the large intestine. In fishes there are often numerous intestinal caca.