Assertion: bone's marrow | /r/AtLocation | breastbone
Facets:
Source sentences:
text: In an adult, red marrow is found mainly in the spongy bone in the skull, breastbone (sternum), ribs, pelvic bones, collar bone (clavicle) and spinal bones (vertebrae).
text: Red marrow is found mainly in the flat bones such as hip bone, breast bone, skull, ribs, vertebrae and shoulder blades, and in the cancellous ("spongy") material at the proximal ends of the long bones femur and humerus.