Joints

Front 1

joint

Back 1

a point of contact between:
two bones
bone and cartilage
bone and teth

Front 2

synarthrosis

Back 2

immovable joint: sutures, gomphosis, synchondrosis and synostosis

Hint 2

opposite of movement

Front 3

amphiarthrosis

Back 3

slightly movable joint

Front 4

diarthrosis or synovial joints

Back 4

freely moviable joint

Front 5

sutures

Back 5

found in the skull. conncect the bones of the skull together.

Front 6

gomphosis

Back 6

binds the roots of the teeth with the sockets of the maxillae and mandible

Front 7

periodontal ligament

Back 7

connects the tooth and its socket

Front 8

synchondrosis

Back 8

rigid cartilaginous bridge between to articulating bones

Front 9

synostosis

Back 9

rigid joint created when two bones fuse together during body growth.

Front 10

syndesmosis

Back 10

joint that spans a greater distance between articulating bones, which are connected by a ligament

Front 11

symphysis

Back 11

joint where articulating bones are separated by a pad of fibrocartilage. e.g. intervertebral disks, pubic symphysis

Front 12

Articular capsule

Back 12

fibrous, tough, connective tissue that unites the articulating bones. It allows
movement, while preventing bones from dislocating;

Front 13

Synovial membrane

Back 13

lines the walls of the articular capsule - produces the synovial fluid;
does not extend over the articular cartilage surfaces within the joint

Front 14

Synovial fluid

Back 14

viscous, clear fluid that fills the articular cavity and forms a thin film over the
articular surfaces (produced by the synovial membrane).

Front 15

synovial fluid functions (5)

Back 15

lubricates, reduces friction, supplies nutrients, carries wastes away, and absorbs shocks

Front 16

Menisci (singular: meniscus)

Back 16

pads of fibrocartilage that lie between the articular
surfaces of the bones.

Front 17

Menisci function

Back 17

allow bones of different shapes to fit more closely and direct the flow of synovial fluid to areas of greatest fiction

Front 18

fat pads

Back 18

acts as packing material that protects the articular cartilages when the bones move

Front 19

ligaments

Back 19

support, strengthen and reinforce the joint. also restrict range of motion to avoid damage. connect bone to bone.

Front 20

bursae

Back 20

fluid filled, saclike structures strategically situated to reduce friction

Front 21

Types of Synovial Joints

Back 21

Gliding joints Saddle joint
Hinge joint Ball-and-socket joint
Pivot joint
Ellipsoidal joint

Front 22

gliding joints

Back 22

articulating surfaces are flat or slightly curved, and slight gliding
movement is from side-to-side or back-and-forth. e.g. wrist, ankle

Front 23

hinge joint

Back 23

the convex surface of one bone fits into the concave surface of another bone ex. elbow, knee,, ankle.

Front 24

pivot joint

Back 24

the rounded or pointed surface of one bone articulates withe ring formed by another bone and is ligament

Front 25

ellipsoidal joint

Back 25

the convex oval shaped projection of one bone fits into the oval shaped depression of another bone ex. wrist, digits (not thumb)

Front 26

saddle joint

Back 26

one bone is addle shaped and another bone fits into it like a rider. ex. joint of the thumb.

Front 27

ball and socket joint

Back 27

the ball like surface of one bon fits into the cup like depression of another bone. ex. shoulder and hip.