Macroscopic Bone Structure
- Compact Bone
- Yellow Bone Marrow
- Spongy Bone
- Red Bone Marrow
- Long Bone
- Epiphysis
- Epiphyseal Plate
- Diaphysis
- Metaphysis
- Periosteum
Muscle Types
- Skeletal Muscle
- Somatic Nervous System
- Striated
- Multinucleate
- Cardiac Muscle
- Autonomic Nervous System
- Myogenic
- Gap Junctions
- Uninucleate
- Smooth Muscle
Skeletal Muscle Contraction Initiation
- Somatic Motor Neuron Releases Acetylcholine
- Acetylcholine Causes Sodium Influx
- Cell Reaches All-or-Nothing Threshold
- Voltage-Gated Calcium Channels Undergo Conformational Change
- Sarcoplasmic Reticulum Causes Calcium Flood
- Calcium Flood Enters Myofibrils
Skeletal Muscle Contraction Action
- Calcium Binds Troponin
- Active Site Exposed
- Many Mitochondria Produce ATP
- Myosin Head Binds
- Power Stroke
- Myosin Head Releases Active Site
- ATP Consumed
Types of Fractures
- Nondisplaced
- Displaced
- Incomplete
- Complete
- Closed
- Open
- Direction of Fracture Line