Circular Apertures and Resolution
Is higher resolution obtained in a microscope with red or blue light? Explain your answer.
Lecture Objectives 10 1. Define the term joint and understand the relationship between joint structure and degree of mobility Joint is any place where two bones meet. Not all joints have movement. There are different degrees of mobility. Mobility is inversely related to stability. The more movement, the less stable. The more stable the less movement. Different types of connective tissue Connective tissue proper- Fibrous joints Cartilage - cartilaginous joints Combination - synovial joint *injury often is of the connective tissue rather than the bones* Joints are encased in joint capsule or articular capsule which include a fibrous layer surrounding and a synovial membrane. The synovial membrane releases a slippery lubrication that fills the joint cavity (space between the bones). At the point of contact of either bone there is articular cartilage, which is hyaline cartilage that never turn to bone. All synovial joints have stabilizing ligaments (dense regular connective tissue that fuses fuses into or on the joint capsule. 2. Explain features that determine the shape and size of a bone Bone thickness reflects the amount of weight it supports. Ridges and bumps on bones are sites of muscle attachment. The amount of bone increases with stress. There are openings and spaces that create passageways for air, food, blood vessels, nerves, etc. Again in shape, Mobility is inversely related to stability. The more movement, the less stable. The more stable the less movement. 3. Describe the organization of the axial skeleton and the body caviti