Smooth Muscle Flashcards
1
Q
What are some characteristics of Smooth muscle?
A
Non-striated Mostly involuntary Have a single nucleus No T-tubules nor troponin Still have myofilaments just not organized into myofibrils and sarcomeres
2
Q
_____ (comprised of alpha-actinin) connect the intermediate filaments and act similarly to z-discs
A
Dense bodies
3
Q
What are the 2 types of smooth muscle?
A
- Single-unit
2. Multi-unit
4
Q
What is the difference between Single-unit and Multi-unit?
A
Single-unit has gap junctions allowing them to function as a unit.
