Muscle Flashcards
What are muscle cells called?
What surrounds them?
Myocyte
Endomysiun
What are multiple myocytes?
What surrounds them
Fascicle
Surrounded perimysium
What are many fascicles?
Fasiculi
What surrounds cells (innrer to outer)
Endomysium- inner
Perimysium
Epimysium- outer
What are the three types of muscle?
Skeletal
Smooth
Cardiac
For skeletal muscle state:
Location
Neurological control
Neurotransmitter
Function
Cell characteristic
Nucleus- how many
Location- attached bones
Control- voluntary, invol, somatic ns
Neurotrans- ACh
Function- movement, posture, shiver
Cell charact- long, cylindrical, striated
Nucleus- multiple, peripheral
For smooth muscle state:
Location
Neurological control
Neurotransmitter
Function
Cell characteristic
Nucleus- how many
Location- walls hollow organs
Neuro control- involuntary
Neurotrans- NA/ACh
Functions- GI tracts, bladder, pupil size, gland cont
Cell chara- spindle shaped
Nucleus- one, central
For cardiac muscle state:
Location
Neurological control
Neurotransmitter
Function
Cell characteristic
Nucleus- how many
Location- heart
Neuro control- involuntary, pacemaker
Neurotrans- ACh
Function- propulsion blood
Cell chara- cylindrical, branched, striated
Nucleus- one, central
State muscle type
State 3 muscle fibres types in skeletal muscles?
Type 1- slow twitch oxidative
Type 2a- fast twitch oxidative
Type 2b- fast twitch glycolytic
Which muscle fibre is most resistant to fatigue?
Contain high amounts?
Type 1
Myoglobin and mitochondria
Which muscle fibres use only anaerobic resp?
Type 2b
Which muscle fibres can sustain activity for long time?
1a
Which muscle fibres red colour, why?
Type 1a and type 1b
Myoglobin-red
