7300389
| Questão | Responda |
| there are two basic classifications of joints | functional and structural |
| there are three types of functional classifications | synarthroses, amphiarthroses and diarthroses |
| synarthrosis means | immovable |
| amphiarthrosis means | slightly moveable |
| diarthrosis means | freely moveable |
| the four kinds a structural joints are | bony, fibrous, cartilaginous and synovial |
| there are four kinds of synarthroses | suture, gomphosis, synchondrosis and synostosis |
| a suture is a _______ joint | fibrous synarthotic |
| a gomphosis is a _________ joint | fibrous synarthrotic |
| a synchondrosis is a ___________ joint | cartilaginous synarthrotic |
| a synostosis is a ___________ joint | bony synarthrotic |
| describe the location and the nature of a sutural joint | located between the bones of the skull which are bound together by dense fibrous connective tissue |
| describe the location and the nature of a gomphosis joint | binds the teeth to their bony socket in the mandible with fibrous connective tissue. |
| describe the location and the nature of a synchondrosis joint | this is a rigid, cartilaginous bridge between two articulating bones and can be found as the cartilage between the first pair of ribs and the sternum as well as all epiphyseal cartilage |
| describe the location and the nature of a synostosis joint | this is a totally rigid, immovable joint that occurs when two bones fuse and the boundary between them all but disappears. this can be found in the coronal suture of the frontal bone and the epiphyseal lines of long bones. |
| there are two types of amphiarthroses | syndesmosis and symphysis |
| a syndesmosis is what kind of structural joint | fibrous |
| a symphysis is what kind of structural joint | cartilagenous |
| describe a syndesmosis and where one is located | these are bones connected by ligaments and one example is the distal articulation between the tibia and the fibula |
| describe a symphysis joint and where one could be found | this is a joint in which bones are connected by a wedge or pad of fibrocartilage and the articulation between the two pubic bones is an example of one; hence the pubic SYMPHYSIS |
| there is only one kind of diarthrosis | synovial joints |
| synovial joints can move in three planes of movement | monaxial, biaxial and triaxial |
| describe and give example of monaxial joint | joints that can only move in one plane such as the elbow and ankle |
| describe and give examples of biaxial joint | movement in two planes such as the ribs and wrist |
| describe and give an example of a triaxial joint | triaxial joints allow movement in three planes and the shoulder and the hip joints are examples |
| describe the synovial joint | synovial joints permit a wider range of movement and are typically found at the ends of long bones. there is a joint cavity filled with synovial fluid between the two bones within an articular capsule and the capsule is lined with the synovial membrane |
| list the functions of synovial fluid | reduce friction nutrient distribution shock absorbtion |
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