THIS IS With Your Host... The Skeleton Bone Markings Joints Inflammatory Disorders Know your bones? 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Microscopic Bones Bones are made mostly of what substance secreted by bone cells? A 100 Bone Matrix A 100 What is the circular unit of bone called? A 200 Osteon A 200 The opening in the center of the osteon is called _____ and contains blood vessels and nerves. A 300 Haversian Canal A 300 What are mature bone cells called? These cells are trapped within their own bone matrix and function to maintain bone tissue. A 400 Osteocytes A 400 The lacunae are arranged in rings around the central canal. What are these rings called? A 500 Lamellae A 500 How many bones are in the adult human skeleton? B 100 206 bones B 100 Which type of bone tissue contains the marrow which is responsible for red blood cell production? B 200 Spongy bone B 200 Name the four bone shapes B 300 Long Short Flat Irregular B 300 What is the shaft of a long bone referred to as? B 400 Diaphysis B 400 The nutrient layer surrounding bones is called? B 500 Periosteum B 500 The following picture shows the femur with very large, blunt irregular shaped projections. What are these projections called? C 100 trochanters C 100 What bone marking is a around or oval opening found in a bone like the pelvis? C 200 foramen C 200 What bone marking is canal-like and found in the skull? C 300 meatus C 300 DAILY Place A Wager DOUBLE C 400 What bone marking is arm-like and an example is found in the mandible? C 400 ramus C 400 What bone marking is described as a shallow depression which mostly forms a joint like the shoulder or a hip? C 500 fossa C 500 Which type of joints allow for a limited degree of movement like the joints found in the vertebrae? D 100 Cartilaginous joints D 100 What type of joints are only found in the skull? D 200 Suture Joints or Fibrous Joints D 200 What type of joint exists only in the thumb? D 300 Saddle Joint D 300 The radius and ulna articulate within the elbow joint. What type of joint is this? D 400 Pivot Joint D 400 Joints that move from side to side and back and forth, but allow for NO rotation are called? D 500 Condyloid Joint D 500 Which joint disorder is characterized by excessive synovial fluid in the joint cavity? E 100 Bursitis E 100 Which children’s disease results in bowed legs because bones are too soft? The condition results from a poor diet of calcium and vitamin D. E 200 Rickets E 200 Which bone disorder occurs because of the accumulation of uric acid in the blood. This leads to painful crystals that poke into the joint tissues. E 300 Gout E 300 Which type of bone fracture results when bones are forced into each other breaking the ends of the bones? E 400 Impacted fracture E 400 Which bone disorder is described as an autoimmune disease where the body attacks its own cartilage and destroys it? Be specific. E 500 Rheumatoid Arthritis E 500 What bone am I? F 100 Humerus F 100 What bone am I? F 200 Fibula F 200 What bone am I? F 300 Sacrum F 300 What bone am I? F 400 Clavicle F 400 What bone am I? F 500 Sternum F 500 The Final Jeopardy Category is: Microscopic Bone Anatomy Please record your wager. Click on screen to begin The tiny canals that radiate from the central canal and connect lacunae are called? They form a transport systems connecting all bones cells to a nutrient supply. Click on screen to continue Canaliculi Click on screen to continue Thank You for Playing Jeopardy!