Kognity Flashcards
What extracellular matrix do chondrocytes produce?
collagen fibres, proteoglycan and elastin fibres
What parts of the elbow joint should you be able to annotate?
cartilage, synovial fluid, joint capsule, named bones and named antagonistic muscles
What structure within muscle tissue is surrounded by a membrane and is multinucleate?
Muscle fiber
What is the name of the cell membrane of a striated muscle fibre cell?
Sarcolemma
What happens during muscle contraction when ATP binds to myosin heads?
Cross-bridges between myosin heads and actin filaments are broken.
During skeletal muscle contraction, calcium ions are released. What is the role of calcium ions in muscle contraction?
Binding to troponin which causes tropomyosin to move.
What happens when the flexor muscle contracts?
The limb bends at the joint