isotonic contraction
does tension or length stay constant?
tension constant
types of motor neurones in muscle spindle
gamma
skeletal muscle cell membrane
sarcolemma
which type of collagen in fibrocartilage
type 1
osteoprogenitor cells
pool of reserve osteoblasts
what do osteoblasts secrete?
osteoid
what hydrolyses Ach to terminate neuromuscular transmission
AchE
what is Lambert-Eaton Myasthenia syndrome assoc with
muscle weakness in limbs
SCC of lung
Skeletal NMJ
what causes fusion of Ach vesicles with presynaptic membrane?
what enters the cell when 2 mols of Ach bind and the gate opens?
Ca2+ causes fusion of Ach vesicles with the presynaptic membrane
2 mols of Ach bind, opening the gate, and Na+ enters the cell (K+ exits)
Myasthenia gravis
F or M?
25% have??
F
25% have thymoma
what does botulinum toxin irreversibly inhibit
Ach release
what do curare like compounds interfere with
post synaptic action of Ach
are TNF-alpha and IL1 involved in catabolism or anabolism?
catabolism
what cells produce and maintain the ECM
chondrocytes
property of proteoglycans
compressive
assoc with weight bearing
joint lubrication
hyaluronic acid
lubricin
