Neurilemma n. : The delicate outer sheath of a nerve fiber; the primitive sheath.

Neurilemma n. : The perineurium.

Example:
the Neurilemma is covered by the losse connective tissue call the?

Taxonomy
Neurolemma, free encyclopedia, nerve fibers, neurilemma, medullated, axon, neuron, outermost layer, CNS, search, Diagram, longitudinal sections, Transverse sections, sheath of Schwann, surrounds, basal lamina, PNS, medullary sheath.

Defination from the web:
Neurilemma. Neurolemma (also known as neurilemma[1] or sheath of Schwann) is the outermost nucleated cytoplasmic ... neurilemma at Dorland's Medical Dictionary ^ Elaine N. Marieb and Katja Hoehn (2007). Human Anatomy & Physiology (7th Ed.). Pearson. pp. 394–5. ISBN 0-805-35909-5. ...