spongiosa

noun
spon·​gi·​o·​sa | \ ˌspən-jē-ˈō-sə How to pronounce spongiosa (audio) , ˌspän- How to pronounce spongiosa (audio) \

Medical Definition of spongiosa

: the part of a bone (as much of the epiphyseal area of long bones) made up of spongy cancellous bone