Tissues and Organs
What is skeletal system composed of?
What is... Bones, cartilages, and ligaments
One of the functions of the Skeletal System is Protection. What vital organs do the bones protect the most?
What is... the brain, spinal cord, heart, and lungs (and more but these are the most important)
What is Compact Bone made of?
What is... a dense outer shell
What resides in lacunae?
What is osteocytes.
Where does intramembranous ossification occur in a fetus?
what is flat bones of skull, clavicle, and part of the mandible
What is the difference between ligaments and tendons?
What is... Ligaments hold bones together at joints and tendons attach muscles to bones
Bone formation is one of the functions of the skeletal system. What part of the bones helps with blood formation?
What is... red bone marrow
What are the two main features of long bones?
What is... diaphysis and epiphyses
What do concentric lamellae have that makes them unique?
What is a central canal with blood vessels.
What directions does bone grow throughout life?
what is length and width.
What are the types of bones?
What are... flat bones, long bones, short bones, and irregular bones.
Support is one of the functions of the Skeletal System. What do the main limb bones and vertebrae support?
What is... the body
What is... an epiphyseal plate is in children's bones and enables growth in length while an epiphyseal line is a bony scar where the growth plate used to be.
What is the purpose of interstitial lamellae?
What is to fill irregular regions between osteons.
Where does endochondral ossification occur?
What is all bones except flat bones in the fetus.
What do individual bones consist of? (6)
What is... Bone marrow, bone tissue, cartilage, adipose tissue, nervous tissue, and fibrous connective tissue.
What is mineralization or calcification?
What is... the hardening process of the bone.
What kind of marrow fills the medullary cavity?
What is yellow marrow.
Where is red marrow found in adults?
what is the skull, vertebrae, ribs, sternum, part of pelvis, proximal heads of humerus and femur.
What is the major difference between intramembranous and endochondral ossification?
What are the four principal types of bone cells?
What is osteogenic cells, osteoblasts, osteocytes, and osteoclasts.
What is the difference between osteoblasts and osteoclasts?
what is osteoblasts are bone forming cells while osteoclasts break down bone (dissolve)
What are the types of bone ossification?
what is intramembranous and endochondral ossification.
What is spongy bone mostly made up of?
what is red marrow with trabeculae.
What are the 5 zones of metaphysis?
what is zone of reserve cartilage, zone of cell proliferation, zone of cell hypertrophy, zone of calcification, and zone of bone deposition.