10b. Skeletal system Flashcards
What decreases friction in a joint and increases mobility
synovial fluid
What joint absorbs shock and provides some movement?
cartilaginous
What is the function of ligaments?
join bones to bones and stabilise joints
What is the structure of a fibrous joint
fixed joint between between bones
The knee is an example of what type of synovial joint?
Hinge
What prevents friction between bones, muscles, tendons and ligaments.
bursa
osteocytes
connect and communicate between osteoblasts and clasts
chondr
cartilage
What is the function of the joint capsule?
To help stabilise the joint
cost
rib
arthr
joint
What is the root term for joint?
arthr
pelv
pelvic/hip bone
What is at the end of the bone and decreases friction and absorbs shock to increase mobility of joint
articular cartilage
What is function of a cartilaginous joint?
To allow for some movement and absorb shock
What synovial joints allows flexion, extension, adduction, abduction and circumduction ?
saddle, ball and socket and condyloid joints
What is the root term for bone?
oste
What type of joint is found in the elbow?
Synovial
What type of bone tissue is less dense, internal, trabeculae/rod like structures
cancellous bone
What is the function of bursa?
To prevent friction between bones, muscles, tendons and ligaments.
Give an example of a hinge joint
elbow
knee
phalanges
osteogenisis
Production of bone
What is the cavity to help stabilise the joint
joint capsule
What is the root term for bone marrow?
myel
Give an example of sliding/plane joints
carpals, tarsals
What are the functions of the skeletal system?
To protect organs and provide structure
To assiste in productio of movement
To provide a Boundary
To produce RBC
To store minerals
The carpals are exmaples of what type of joint?
gliding/plane
What is the function of the articular cartilage?
to decrease friction and absorb shock to increase mobility of joint
What is the root term for rib?
cost
What synovial joint allows flexion, extension, adduction and abduction = circumduction with the greatest range of movement?
ball and socket joint
What is the structure of synovial joints?
space between bones including ligaments, joint capsule, synovial fluid and articular cartilage
What are the root terms for vetebra?
spondyl
vertebr
What type of synovial joint only allows the movements flexion and extension
Hinge
What is the function of a fibrous joint
join bones but do not allow for movement
What is the structure of a cartilaginous joint?
Slighty flexible Joints joined by cartilage between bones
osteoclasts
breakdown bone
What is the function of synovial fluid?
to decrease friction in joint and increase mobility
crani
skull
What movements does a condyloid joint allow?
Flexion, extension, adduction, abduction and circumduction
What is the function of Meniscus?
To help stabilise a joint
What is the root term for skull?
crani
What cells help to build bone?
osteoblasts
Give an example of a ball and socket joint
Hip
Shoulder
What is the function of the pad of fat?
To provide cushioning
vertebr
Vertebra
oste
bone
Haemopoiesis
Production of RBC (occurs in bone marrow)
What is the term for production of bone?
osteogenisis
compact bone
outer, dense, strong part of bone
breakdown bone
osteoclasts
What synovial joint allows sliding movements only
gliding joint
The thumb is an example of what type of synovial joint?
Saddle
What type of joint is found in the cranium?
Fibrous
What type of joint is found between the vertebra?
Cartilaginous
What is the root term for cartilage?
chondr
osteoblasts
build bone
What movements does a pivot joint allow?
rotation only atlas and axis
What movements does a ball and socket joint allow?
Flexion, extension, rotation, adduction and abduction = circumduction
What movements does a hinge joint allow?
Flexion and extension
myel
Bone marrow
por
small opening
What sits between bones to help stabilise a joint
Meniscus
Give an example of a saddle joint
Thumb
What is the root term for pelvis?
pelv
What cells connect and communicate between bone cells?
osteocytes
What movements does a gliding joint allow?
sliding only
cancellous bone
less dense, internal, trabeculae/rod like structures
What synovial joint allows rotation only?
pivot joint
The hip is an example of what type of synovial joint?
ball and socket
What is the function of a synovial joint?
to allow for movement
What movements does a saddle joint allow?
Flexion, extension, adduction, abduction and circumduction
spondyl
Vetebra
What type of joint allows for the greatest amount of movement?
Synovial
What type of bone tissue is the outer, dense, strong part of bone
compact bone
What join bones to bones and stabilises joints?
ligaments
What provides cushioning around joints?
pad of fat