cancellousyoudaoicibaDictYouDict
"Denoting bone tissue with a mesh-like structure containing many pores, typical of the interior of mature bones", Mid 19th century: from Latin cancelli 'crossbars' + -ous.
stempleyoudaoicibaDictYouDict
"Each of a number of crossbars in a mineshaft, serving as supports or steps", Mid 17th century: perhaps related to German Stempel.