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CMCCraniumBones
Skull: cranium bones, plus spine to pelvis.
Question | Answer |
---|---|
Frontal | Anterior Bone |
Parietal | Superior Bones. |
Temporal | Side bones. |
External Acoustic Meatus | Ear hole. |
Styloid Process | Sharp projection, muscle attachment. |
Zygomatic Process | Bridge bone attaching to cheek. |
Mastoid Process | Muscle attachment. |
Occipital | Posterior bone. |
Lambdoid Suture | Connects to parietal bones. |
Foramen Magnum | Large hole where spinal cord enters brain. |
Occipital Condyles | Flat regions where first vertebrae rest on. |
Sella Turcia | Encloses pituitary gland. |
Foramen Ovale | Allows cranial nerve five to pass to the chewing muscles. |
Optic Canal | Allows optic nerve to go through. |
Sinuses | Lighten skull, enhance voice, humidify and filter air we breathe. |
Crista Galli | Brain covering attaches to this. |
Cribriform Plates | Nasal nerve fibres travel through. |
Maxilla | Upper jaw. |
Mandible | Lower jaw. |
Palatine | Posterior roof of mouth. |
Zygomatic | Cheekbones. |
Lacrimal | Small bones forming walls of eye orbit; tear passageway. |
Nasal | Nose. |
Vomer | Inner nose. |
Hyoid Bone | Only bone that doesn't attach to any other bone. Movable base for tongue, Attachment pint for neck muscles, Raise and lower larynx to swallow and speak. |
Fonatels | Soft spots of the fetal skull that convert to bone by 22-24 months. Allows skull to be compressed during birth, Allow the brain to grow. |
Vertebral Column: Composed of | 26 irregular bones. |
Cervical Vertebrae | 7. |
Thoracic Vertebrae | 12. |
Lumbar Vertebrae | 5. |
Sacral | 5 fused. |
Coccyx | 4 fused. |
Vertebrae Facts (3) | Vertebrae are separated by intervertebral disks. High water content and are spongy and compressible. Herniated "slipped" discs: disk protrudes and causes great pain. |
Scoliosis | "S" shaped sideways curve. |
Kyphosis | Thoracic vertebrae is curved outward: "hunchback". |
Lordosis | Lumbar vertebrae is curved inward: "bubble butt". |
Female Pelvis (5) | Inlet is larger and more circular. Shallower and lighter. Illium bones flare laterally. Sacrum is shorter and less curved. Pubic arch is more rounded. |