Term
|
Definition
| Striated - sarcomeres (long, multinucleate) |
|
|
Term
| Skeletal contractile elements |
|
Definition
| Actin, myosin, troponin, tropomyosin |
|
|
Term
| Skeletal intracellular compartments |
|
Definition
| T-tubule, sarcoplasmic reticulum, many mitochondria (need energy) |
|
|
Term
|
Definition
| AP --> DHPR --> RyR --> Ca release --> Ca-TnC --> cross-bridges --> stroke |
|
|
Term
|
Definition
| voluntary - individual fiber innervation via motor neurons (motor units) |
|
|
Term
| Skeletal contraction of individual fiber |
|
Definition
|
|
Term
|
Definition
| Striated - sarcomeres (short, branched, uninucleate) |
|
|
Term
| Cardiac contractile elements |
|
Definition
| Actin, myosin, troponin, tropomyosin |
|
|
Term
| Cardiac intracellular compartments |
|
Definition
| Sarcoplasmic reticulum, many mitochondria (need energy) |
|
|
Term
|
Definition
| AP --> DHPR --> Ca influx --> RyR --> Ca release --> Ca-TnC --> cross-bridges --> stroke |
|
|
Term
|
Definition
| Involuntary, autorhytmic, modulated by ANS (Epi, ACh), interconnected via gap junctions |
|
|
Term
| Cardiac contraction of individual fiber |
|
Definition
|
|
Term
|
Definition
| Longitudinal bundles (small, spindle-shaped, uninucleate) |
|
|
Term
| Smooth contractile elements |
|
Definition
| Actin, myosin, tropomyosin |
|
|
Term
| Smooth intracellular compartments |
|
Definition
| Sarcoplasmic reticulum (less) |
|
|
Term
|
Definition
| Ca influx --> active CAM binds to MLCK --> phosphorylation of MLC --> cross-bridge formation --> force |
|
|
Term
|
Definition
| Involuntary, some are autorhytmic, innervated by ANS, respond to hormones, interconnected via gap junctions |
|
|
Term
| Smooth contraction of individual fiber |
|
Definition
|
|
