Answer: MARROW

AnswerCrossword Clue
MARROWBone tissue
MARROWSource of red blood cells
MARROWBone substance
MARROWBone material properly eaten with a scoop
MARROWBone filler
MARROWBlood-cell source
MARROWKind of bone.
MARROWSquash variety
MARROWPith
MARROWBlood cells' birthplace
marrowto be a mate or companion
marrowthe soft inner tissue of bone