Question

Key Term Matching irregular bone epiphysis foramen yellow bone marrow lacuna 10 flat bone Il trabeculae bone with a complex shape found in the medullary cavity c laro, o process thin, like a plate e shaft of a long bone mature bone cell large, round, mooth process h covers outer surface of bone i shallow depression on surface of bone roughly cube-shaped k covering of epiphysis at joint a very narrow ridge of bone m. cavity in lamellae which house osteocytes n. chamber within diaphysis o also called wormian bone 12. facet 13 sesamoid bone 14. osteocyte secretes new matrix 4. end of a long bone r. small, round hole 15. trochanter _16. canaliculi 17. head 18. diaphysis 19. spine 20. central canal 21. short bone 22. medullary cavity 23. sinus 24. osteoblast 25. articular cartilage s. matrix arrangement in spongy bone t chamber within a bone u. network allowing osteocytes to receive nutrients v. example is the patella W. houses artery, vein, and nerve x. almost flat smooth surface of a bone y. narrow, pointed process 130 Skeletal System: Bone Tissue Laboratory 7A

Answer 1

1. Sutural bones : (o) also called wormian bones

explaination: sutural bones are tthe irregular bony pieces which are found in the skull sutures. The other name for sutural bome is wormian bone.
example of suture bone are pterion osdicle.
2. Line : (l) a very narrow ridge of bone.
explaination : a line is a surface marking on a bone. It is a long prominent area of a bone.
3. Periosteum: (h) covers outer surface of the bone

explaination: The long bones of the skeleton contains an outer covering called the periosteum. Periosteum is made of irregular dense connective tissue. It consists fibroblasts and osteoblasts and help in bone growth, repair and regeneration.
4. Fossa : (i) shallow depression on thd surface of the bone.
Fossa is an anatomical marking of the bone which is characterised by depression or hollow on the surface of bone. A fossa may serve as a articulation site for another bone. For example the glenoid fossa of scapula that articulates the humerus head