A bundle of nerve fibers is surrounded by a layer of fibrous connective tissue called the

A) epineurium.
B) fascicle.
C) endoneurium.
D) neurilemma.
E) perineurium.

Which of the following is a type of cytokine?

A) Complement protein
B) Mast cell
C) Immunoglobulin
D) Lysozyme
E) Tumor necrosis factor