514-6 Joints

Question 1

What are the four types of joints and their medical names?

Answer 1

1. Bony Joint (synostosis) 2. Fibrous Joint (synarthrosis) 3. Cartilaginous Joint (Amphiarthrosis) 4. Synovial Joint

Question 2

What are the 2 main examples of a bony joint?

Answer 2

1. Fomation of the mandible 2. Metaphysis between the epiphysis and diaphysis

Question 3

What are the three types of sutures in a FIBROUS joint?

Answer 3

1. Serrate (interlocking wavy lines) 2. Lap/Squamous (overlapping beveled edges) 3. Plane/Butt(straight, non overlapping)

Question 4

What are the three types of fibrous joint?

Answer 4

1. Suture (3 types of its own) 2. Gomphoses (PDLs!!) 3. Syndesmoses (radius/ulna&tibia/fibula)

Question 5

What are the 2 types of Cartilaginous Joints?

Answer 5

1. Synchondroses(Ribs + hyaline cartilage, epiphysial plate) 2. Symphyses (intervertebral & pubic sym)

Question 6

What are the four main parts of a synovial joint?

Answer 6

1. Joint Capsule 2. Synovial Fluid 3. Articular Cartilage 4. Meniscus

Question 7

What are the six types of Synovial Joints?

Answer 7

1. Ball & Socket 2. Hinge 3. Saddle 4. Pivot 5. Glide 6. Condyloid

Question 8

What are the two main components of synovial fluid?

Answer 8

Albumin & Hyaluronic Acid

Question 9

What is the meniscus made of?

Answer 9

Fibrocartilage

Question 10

What three joints types contribute to the TMJ?

Answer 10

1. Condyloid (DUH!) 2. Hinge 3. Gliding

Question 11

What are the two parts of articulation for the TMJ?

Answer 11

Condyle on Mandible and The Glenoid (Mandibular) Fossa on the temporal bone

Question 12

What two words describe the capsule of the TMJ?

Answer 12

Fibrous & Non-elastic

Question 13

Where is the fibrocartilage of the condyle found? (Add another “zone” to the typical metaphysis area)

Answer 13

The fibrocartilaginous zone is in between the proliferative zone and the calcified zone

Question 14

What are the two components of the articular disc of the TMJ?

Answer 14

1. Fibroblasts 2. Dense Fibrous C.T.

Question 15

What are the two main classes of Arthritis?

Answer 15

Osteoarthritis & Rheumatiod

Question 16

What is osteoarthritis?

Answer 16

Years of joint wear/mechanical damage

Question 17

What is rheumatoid arthritis?

Answer 17

An autoimmune disease. Use steroids to suppress the immune response.

Question 18

What are tubes of synovial membrane that wrap around tendons in the hands and feet?

Answer 18

Tendon Sheaths

Question 19

What is a saclike extension of a joint capsule that extends between or around nearby tendons that allows easy sliding?

Answer 19

A Bursa