ch. 8 terms Flashcards
(51 cards)
_______ are sites where 2 or more _____ meet
joints, bones
joints are classified by ________ and __________
structural and functional
the three types of structural components are based on what material binds the joints and whether a cavity is present, their names being: (F.C.S)
1. _____
2. ________
3. ________
- Fibrous
- Cartilaginous
- Synovial
the three types of functional components are based on the types of movement joint allows (S.A.D)
1. ___________
2. _________________
3. ____________
- Synarthroses
- Amphiarthroses
- Diarthroses
____________ are immovable joints
Synarthroses
___________ are slightly movable joints
Amphiarthroses
___arthroses are freely movable joints and the most common type of joint
di
f________ Joints occur where bones are joined by c_________ fibers of dense CT and there is ____ joint cavity
fibrous, collagen, no
s_______ are rigid, interlocking joints of skull that occur only between _______ of skull and allow for _______ during youth
sutures, bones, growth
s________________ occur where bones are connected by ligaments
syndesmoses
g____________ are peg-in-socket joints
gomphosis
c_______________ Joints occur where bones are united by cartilage, have ____ joint cavity and are only _______ movable
Cartilaginous, no, slightly
s__________ (with cartilage) is formed where a plate or bar of _________ cartilage unites bones almost all are __________ (immovable)
synchondrosis, hyaline, synarthrotic
s___________ is formed where fibrocartilage unites bone
1. Are c__________ and resilient
2. Act as s___________ absorber
3. Permit l________ amount of movement at the joint
symphysis, compressible, shock, limited
s__________ Joints = most common joint
*Bones separated by fluid-filled joint cavity and all synovial joints are
d_________ (freely movable)
*Synovial joints include almost all limb joints
synovial, diarthrotic
Synovial joints have six general features
1. a_______ cartilage
2. j_______ cavity
3. a______ capsule
4. s_______ fluid
5. n_____ and Blood vessels
6. Reinforcing ligaments
articular, joint, articular, synovial, nerves
a___________ cartilage consists of hyaline cartilage covering ends of bones
articular
___________ cavity is a feature unique to synovial joints
*Joint cavity is potential space filled with __________ fluid
joint, synovial
Articular capsule’s external fibrous layer
a) Dense _________ CT strengthens j_____
b) So b_______ are not pulled apart
irregular, joints, bones
Articular capsule’s inner synovial membrane
a________ loose CT
_s__________ membrane secretes synovial fluid
Lines inside of cavity except where a______ (hyaline) cartilage
areolar, synovial, articular
Synovial fluid is derived from f__________ of blood
*Synovial fluid consist of viscous, slippery filtrate of p_______ that lubricates and nourishes a_________ cartilage
*Synovial fluid contains p___________ cells to remove microbes and debris
*Without Synovial fluid, rubbing would wear away joint surfaces and excessive f_____ would overheat and d_____ joint tissue
filtration, plasma, articular, phagocytic, friction, destroy
Nerves
1. d______ pain
2. m_______ joint position and s_______ with proprioceptors
detect, monitor, stretch
_____ vessels are in
1. Synovial membrane’s a______ CT
2. Capillary beds supply filtrate for s_______ fluid
blood vessels, areolar, synovial
Other features of some synovial joints include fatty pads for cushioning and articular discs (m_______)
Articular discs or Menisci are wedges of f____________ that
1. Improve “fit” of bone ends
2. s_________ joint
3. Reduce wear and tear
menisci, fibrocartilage, stabilize