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.
What is a Preform? Preform is to form or shape a product to a preliminary shape and size. In easy words for PET Preforms the PET (Polyethylene Terephthalate) material is formed to a shape which is like moulded to a specific shape which is then afterwards blown to a bottle in the blowing machine. There is one characteristic of PET preform, which is the product that made from it will be clear and transparent.