Lecture Exam 3 - Chapter 8 Flashcards
_________ - refers to joints
Arthro
\_\_\_\_ = plural \_\_\_\_ = singular
- ses
- sis
- Joint Function -
_________ – immovable joint
Synarthrosis
- Joint Function -
_________ – slightly movable
Amphiarthrosis
- Joint Function -
_________ – freely movable
Diarthrosis (or synovial)
- Joint Structure -
_________ – bones are joined by connective tissue, very little movement allowed
Fibrous
- Joint Structure -
_________ – bones are united by cartilage
Cartilaginous
- Joint Structure -
_________ – bones are separated by a fluid filled cavity
Synovial
-Four types of Fibrous Joints-
_________ – seams formed between the bones of the skull
Sutures
-Four types of Fibrous Joints-
_________ – two bones fuse and joint line disappears
Synostosis
-Four types of Fibrous Joints-
_________ – two bones are joined tightly together by
ligament
Syndesmoses
-Four types of Fibrous Joints-
_________ – bond between the periodontal ligament and teeth to hold them in their sockets
Gomphoses
-Two types of Cartilaginous Joints-
_________ – connecting material is hyaline cartilage
Synchondroses
-Two types of Cartilaginous Joints-
_________ – bones are separated by a pad of cartilage
Symphysis
_________ - Allow the most movement and are the most common type of joint
Synovial Joints
- 5 features of Synovial Joints -
_________ – smooth surface at the ends of two bones
Articular cartilage
- 5 features of Synovial Joints -
Articular cartilage:
- made up of _________ cartilage, but contains more _________
- Reduces _________ and acts as a shock absorber
- Compressed when force is applied
- hyaline
- water
- friction
- 5 features of Synovial Joints -
Articular cartilage:
- made up of hyaline cartilage, but contains more water
- Reduces friction and acts as a _________
- _________ when force is applied
- shock absorber
- Compressed
- 5 features of Synovial Joints -
_________ – space between the bones that contains fluid
Joint (synovial) cavity
- 5 features of Synovial Joints -
_________ – double layer membrane; provides the border of the joint cavity
Articular capsule
- 5 features of Synovial Joints -
Articular capsule:
_________ – continuous with the periosteum of the bones
–Provides _________ for the joint
- Fibrous capsule
- strength
- 5 features of Synovial Joints -
Articular capsule:
_________ – lines the inside of the fibrous capsule
–Cells secrete _________ fluid
- Synovial membrane
- synovial
- 5 features of Synovial Joints -
_________ – egg white consistency; found within the joint cavity
Synovial fluid
- 5 features of Synovial Joints -
Synovial fluid - three functions;
-Shock absorption
-Nutrient distribution
- 5 features of Synovial Joints -
Synovial fluid - three functions;
-
-Nutrient distribution
-
- Lubrication
- Shock absorption
- 5 features of Synovial Joints -
_________ – connect bone to bone and provide strength and reinforcement for the joint
Ligaments
- 5 features of Synovial Joints -
Ligaments:
_________ – ligament is stretched to its limit; some collagen fibers tear
Sprain
_________ – called menisci (singular is meniscus)
Cartilage pads
_________ - Found between the femur and tibia
Cartilage pads
_________ – small mass of adipose
Fat pads
_________ - Provide some extra cushioning and fill in empty spaces created when the joint moves
Fat pads
_________ – cross over joints
Tendons
_________ - Limit movement and provide support
Tendons
_________ – fluid filled pockets that contain synovial fluid
Bursae
_________ - Reduce friction and act as shock absorbers
Bursae
_________ - bursitis
Inflammation
Generally, a joint with a lot of _________ is less stable and
joints that are _________ stable allow little movement
- mobility
- very
- Four factors affect Stability of a Joint -
_________ – provide stability, but not very effective if they’re the only source of support
Collagen fibers and ligaments
- Four factors affect Stability of a Joint -
Shapes of _________ surfaces and _________
–Shoulder vs. hip – acetabulum is very deep compared to the glenoid cavity
- articulating
- menisci
- Four factors affect Stability of a Joint -
Presence of other _________, muscles, or _________ around the joint
- bones
- fat pads