en·dos·te·um 
(ĕn-dŏstē-əm)
(ĕn-dŏstē-əm)n. pl. en·dos·te·a (-tē-ə)
The thin layer of cells lining the medullary cavity of a bone.
[New Latin : END(O)- + Greek osteon, bone; see ost- in the Appendix of Indo-European roots.]
en·doste·al adj.
- sportswoman
- sportswriter
- sportswriting
- sport utility vehicle
- sporty
- sporulate
- sporulation
- spot
- spot check
- spot-check
- spotless
- spotlessly
- spotlessness
- spotlight
- spot-on
- spot pass
- spot price
- Spotsylvania
- spottable
- spotted
- spotted cranesbill
- spotted fever
- spotted geranium
- spotted owl
- spotted salamander