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Depressions+openings
allow blood vessels and nerves to pass through
| Term | Definition |
|---|---|
| Meatus | Opening or canal inside body Ex. Cranium, acoustic ___ |
| Foramen | Holes for nerve arteries and veins Ex. Optic ____ |
| Fissure | Narrow slit-like opening Ex. Inferior orbital____ |
| Sinus | Cavity in bone with air and has mucus membrane Ex. Nasal cavities |
| Fossa | Shallow depression in bone Ex. humerus, olecraon ____ |
| Groove | Furrow Ex. humerus. bicipital___ |