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.
Vermicelli is a type of fine pasta that is similar to spaghetti. The pasta features long rounded pasta strands that tend to be slightly thinner than spaghetti and somewhat thicker than angel hair pasta. In Italian, vermicelli literally means little worms and reflects the pastas distinctive worm-like shape.