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Chapter 3
Skeletal System
| Term | Definition |
|---|---|
| haima | blood |
| poiesis | making or forming |
| hematopoiesis | produces red blood cells in the bone marrow |
| two parts that divide skeleton | axial and appendicular |
| appendare | add or append |
| axial skeleton | forms the vertical axis |
| anterior view | front view |
| posterior view | back view |
| maxilla | upper jaw, nose, orbits (eye sockets) and roof of mouth |
| mandible | lower jaw |
| clavicle | long skinny bone above rib cage |
| manubrium | chest |
| sternum | bone in middle of rib cage |
| humerus | upper arm bone |
| ulna | lower arm bone on the right |
| radius | lower arm bone on the left |
| lilac crest | pelvic bone |
| greater trochanter | tip of upper leg bone |
| carpals | wrist |
| metacarpals | hand |
| phalanges | fingers and toes |
| femur | upper leg bone |
| patella | knee cap |
| pubis | vagina or penis area |
| tarsals | ankle |
| metatarsals | foot |
| appendicular skeleton | 126 bones and includes the body's appendages or upper and lower extemities |
| cranium | brain cage |
| ossicules | bone |
| sutures | immobile joints that hold the skull bones together |
| coronal suture | unites the frontal bone and the two parietal bones. |
| sinuses | air-filled spaces in the skull that lesses bone weight, moisten incoming air, and act as resonating chambers for the voice |
| frontal bone | sinuses, forehead and area directly behind it. |
| orbits | eye sockets |
| coronal suture | connects the frontal bone with the parietal bone |
| parietal bones | two of these bones crown the head, forming the roof and the upper part of each side of the skull. |
| squamous suture | connects the parietal bones with the temporal bones |
| temporal bones | forms the lower part of the sides of the skull and part of its floor. They also contain structures of the middle and inner ear and the mastoid sinuses. |
| lamboid suture | connect the parietal bones to the occipital bones |
| occipital bones | forms the rear portion and base of skull. forms movable joint with the first cervical vertebra |
| foramen magnum | large hole. ( a large opening at the base of the occipital bone that allows the spinal cord to pass from the encephalon into the spine. |
| sphenoid bone | looks like a bat with outstretched wings and legs extended to the back. located at the cranial floor. |
| sphenoid sinuses | air filled spaces in the sphenoid bones |
| zygomatic or malar bone | cheek bones |
| nasal bones | upper part of bridge of nose |
| cartilage | forms lower part |
| lachrymal bones | contains lachrymal bag (where tears drain in the nasal cannula) |
| vomer | pasrt of nasal septum |
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