Bones and Joints Flashcards
what 2 bits are bones divided into?
the middle and the sides
what side of the arm is the radius on?
the thumb side
what is the structure of the upper and lower body bone structure?
1 bone - 2 bones - many bones
what does costal cartilage help do?
link bones to the ribcage
what is diaphysis?
main shaft where the marrow is
what is yellow marrow?
fat
what happens in the epiphysis?
growth which allows the long bones to grow and develop
where is the epiphysis?
where the bone end joins to another bone
what does compact bone give?
good tensile strength
what are the 3 types of joint?
synovial, fibrous, cartilaginous
describe the movement of the synovial joint
extensive, smooth movement
what cartilage is the synovial joint made of?
smooth cartilage
what does the cartilage in the synovial joint ensure?
that there’s no friction when the bones move
where is synovial fluid?
in the capsule of the synovial joint
what does synovial fluid ensure and what happens if their are any disturbances?
the smooth movement of the joint and any disturbances causes swelling and discomfort
do fibrous joints have a synovial cavity?
no
what is the fibrous joint held together by?
dense connective tissue
what movements do fibrous joints initially have before they are fixed in place?
they initially slide over each other
where can fibrous joints be found?
the sutures of the skull and the syndesmoses
what do cartilaginous joints not have?
a synovium
what are cartilaginous joints held together by?
cartilage
where can you find cartilaginous joints?
pelvis
describe the movement of the cartilaginous joint
little movement
what are synovial joints made up of?
bones, articular (hyaline) cartilage, marginal (fibro) cartilage, synovial fluid, joint capsule, ligaments, tendons, muscles
