The endosteum lining the marrow cavity is therefore continuous with the endosteal linning of Haversian canals.

的内膜与组织中的管内膜也是相连续的（包括中央管）。

Blood production —The marrow, located within the medullary cavity of long bones and the interstices of cancellous bone, produces blood cells in a process called haematopoiesis.

造血-位于长间隙内，通过造血作用产生血细胞。