the membrane that lines the medullary cavity is the _____.\nendosteum\nperiosteum\nmeniscus

the membrane that lines the medullary cavity is the _____.\nendosteum\nperiosteum\nmeniscus
Answer
Brief Explanations:
The endosteum is the membrane that lines the medullary cavity of a bone. The periosteum covers the outer surface of bones, and the meniscus is a C - shaped fibrocartilaginous structure in joints, not related to the medullary cavity lining.
Answer:
A. endosteum