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Axial Skeleton
Skull, vertebra, ribs
| Term | Definition |
|---|---|
| Sutural bones | Small bone sections along a suture line |
| Condyle | Smooth rounded knob used in joints |
| Facet | Smoot surfaces on condyles |
| Sutures | Immovable joints where bones connect |
| Symphysis | A suture but with cartilage |
| Process | Hump, bump, and lump that tendons attach to |
| Other extensions/projections | Crests, spines, trochanters, tubercules, tuberosities |
| Fossa | Shallow depression |
| Foramen | Hole in bone for blood vessels or nerves |
| Meatus | Opening into a tube/canal |
| Sinus | Cavity inside bone |
| External nasal nares | Nostrils |
| Cervical vertebra | C1-C7 |
| Thoracic vertebra | T1-T12 |
| Lumbar vertebra | L1-L5 |
| Sacrum | 5 vertebra fused together |
| Coccyx | Tailbone |
| Atlas (C1) characteristics | No body or spinous process, allows head nodding, holds occipital condyles |
| Axis (C2) characteristics | Has dens that fuses to atlas, allows head shaking |
| Cervical vertebrae spinous process shape | Short, bifid end pointing straight back |
| Thoracic vertebrae spinous process shape | Long, pointy, points straight down |
| Cervical vertebral foramen shape | Large and triangular |
| Cervical vertebra body shape | Small, wide oval body |
| Thoracic vertebral foramen shape | Circular and smaller |
| Thoracic vertebrae body shape | Larger, heart-shaped body with 4 costal facets |
| Lumbar vertebrae spinous process shape | Short, blunt rectangle pointing straight back |
| Lumbar vertebral foramen shape | Triangular |
| Lumbar vertebrae body shape | Huge, kidney-shaped body |
| Cervical vertebrae ROM | Rotation, flexion/extension, lateral flexion |
| Thoracic vertebrae ROM | Flexion/extension and lateral flexion, no rotation |
| Lumbar vertebrae ROM | Rotation, lateral flexion limited by ribs, little flexion/extension |
| Vertebral sternal ribs | True ribs 1-7, attach to sternum |
| Vertebral chondral ribs | False ribs 8-12, attach to costal cartilage |
| Intercostal space | Space in between ribs |
| Floating ribs | False ribs 11 & 12 not attached to cartilage |
| Superior costal facet attaches to ___ | Head of rib |
| Transverse costal facet attaches to ___ | Tubercule of rib |