NU-606 Quiz 2 with Questions and Answers

NU-606 Quiz 2 with Questions and Answers What is the term for Bone-resorbing cells ANSWER osteoclasts What is the term for Mature bone cells ANSWER osteocytes What is the Matrix comprised of? ANSWER collagen fibers and calcium phosphate What is lacunae? ANSWER small cavities that contain osteocytes Which two hormones are osteoblast and osteoclast dependent on? ANSWER calcitonin and parathyroid hormone What hormone stimulates osteoblasts? ANSWER Calcitonin Where does calcitonin come from? ANSWER thyroid gland What is the structure of compact bones? ANSWER Formed when many HAVERSIAN CANALS are tightly packed, strong rigid outer covering What is the structure of cancellous or spongy bone? ANSWER Formed interior of bone, less dense, and lacks Haversian canals made of plates of bone bordering cavities that contain marrow