Definify.com
Webster 1913 Edition
Endoneurium
‖
Enˊdo-neu′ri-um
,Noun.
 [NL., fr. Gr. 
ἔνδον 
within + [GREEK] a sinew, nerve.] (Anat.) 
The delicate bands of connective tissue among nerve fibers. 
Definition 2025
endoneurium
endoneurium
English
Noun
endoneurium
- (anatomy) A layer of delicate connective tissue enclosing the myelin sheath of a spinal cord nerve fiber.