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A&P Lab #3
The axial skeleton (exercises 8 and 9)
| Term | Definition |
|---|---|
| How many true ribs? | 1-7 |
| False Ribs consist of how many? | 8-12= 5 |
| what ribs are floating ribs? | 11 and 12 |
| what does the thoracic cage consist of? | bony thorax, which is composed of the sternum, ribs, and thoracic vertebrae |
| how many pairs of ribs? | 12 |
| Hyaline | most skeletal cartilage is composed of Hyaline Cartilage |
| Elastic | Ear and epiglottis |
| Fibro | can withstand heavy compression used to construct the interverterbral dics, cartilage with the knee and pubis symphysis |
| long bone | longer than it is wide |
| examples of long bones | Femur, Phalanges.... |
| Short Bones | Typically cube shaped and they contain more spongy bone |
| Short Bone Examples | Tarsal, Carpal.... |
| Flat bones | generally thin, w/ two waferlike layers of compact bone sandwhiching a layer of spongy bone |
| flat bone examples | bones of the skull |
| Irregular Bones | bones that do not fall in the short, long, or flat bone category |
| Irregular Bone examples | vertebrae |
| how many bones in the adult skeleton? | 206 |
| What are sesamoid bones? | special types of SHORT BONES formed in tendons |
| Example of Sesamoid bones | Patellas ..... still included in the 206 count of bones (Kneecaps) |
| Sutural Bones | tiny bones between the cranial bones |