cerebrospinal fluid fistula one between the subarachnoid space and a body cavity, such as from head trauma or bone erosion, with leakage of cerebrospinal fluid, usually in the form of rhinorrhea or otorrhea. complete fistula one extending from the skin to an internal body cavity.
Freebase(0.00 / 0 votes)Rate this definition: Vermiform. Vermiform means something shaped like a worm. The expression is often employed in biology and anatomy to describe more or less tubular or cylindrical, usually soft body parts or animals. The word root is Latin, vermes-worms and formes-shaped.
The second part of the large intestine we will talk about today is the vermiform appendix. The vermiform appendix is a narrow, hollow, and blind-ended four-inch tubular intraperitoneal structure. It arises from the posteromedial side of the cecum and it has large aggregations of lymphoid tissue in its walls.