involucrum
Kelime Anlamı :
1. Örtü, kılıf.
Tanımlar :
1.
an enveloping sheath or envelope.
from The American Heritage® Dictionary of the English Language, 4th Edition
1.
A sheath that covers or envelopes, especially one that forms around the sequestrum of new bone
from Wiktionary, Creative Commons Attribution/Share-Alike License