Flashcards in MSK Basic Science Deck (14)
what are Osteoprogenitor cells?
a reserve pool of osteoblasts
what are Osteoblasts?
bone forming cells
what are Osteocytes?
bone cells trapped in the bone matrix
what are Osteoclasts?
bone cells that do bone reabsorption
what are muscle fibres grouped into?
connective tissue round the whole muscle?
connective tissue around a single muscle fibre?
what type of bone makes up the shaft?
what type of bone makes up the epiphysis?
what muscles are striated?
skeletal and cardiac
what muscles are unstriated?
functional unit of muscle?
Ca release from SR
binds to troponin, causing tropmyosin to move and uncover the binding sites
myocin attaches to actin