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Chapter 6 Bones
| Question | Answer |
|---|---|
| Total axial bones | 80 |
| Skull bones | 22 |
| Cranial bones | 8 |
| Facial bones | 14 |
| Vertebrae in cervical region | 7 |
| Vertebrae in thoracic region | 12 |
| Vertebrae in lumbar region | 5 |
| Total ribs | 24 |
| Mandible | 1 |
| Cranial bones list | Frontal sphenoid ethmoid occipital parietal 2 temporal 2 |
| Facial bones list | Maxilla 2 palatine 2 zygomatic 2 lacrimal 2 nasal 2 inferior nasal conchae 2 vomer mandible |
| Only bone that does not articulate with another | Hyoid bone |
| Location of hyoid | Anterior neck attached to muscles and soft tissue assists with swallowing |
| Sacrum begins as | 5 bones |
| Coccyx begins as | 4 bones |
| Age sacrum and coccyx fuse | In a persons 20s |
| Sternum begins as | 3 bones |
| Age sternum fuses | Around age 40 |
| Coronal suture | Frontal to parietals |
| Sagittal suture | Between the two parietals |
| Lambdoid suture | Occipital to parietals |
| Squamous suture | Temporals to parietals |
| Pterion | Weakest region of skull where several bones meet |
| Bones of the orbital socket | Frontal sphenoid ethmoid lacrimal maxilla zygomatic palatine |
| C1 | Atlas |
| C2 | Axis |
| Mandible | Lower jaw |
| Zygomatic | Cheekbone |
| Sternum | Breastbone |
| Maxilla | Upper jaw |
| Inferior nasal conchae | Turbinates |
| Coccyx | Tailbone |
| Total appendicular bones | 126 |
| Carpal bones in one wrist | 8 |
| Total number of phalanges | 56 |
| Number of phalanges in one hand or foot | 14 |
| Number of bones in one limb | 30 |
| Tarsal bones in one ankle | 7 |
| Scapula | Shoulder blade |
| Pollex | Thumb |
| Patella | Kneecap |
| Hallux | Big toe |
| Calcaneus | Heel bone |
| Tibia | Shin bone |
| Os coxae | Hip bones |
| Clavicle | Collarbone |
| Ulna is medial to the radius | True |
| Bones of the wrist | Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate |
| Digits without a middle phalanx | Thumb and big toe only have 2 phalanges |
| Differences between upper and lower limbs | Function difference structural difference |
| Metacarpal leading to the pinky | Fifth metacarpal |
| Bones of the ankle | Tibia Fibula Talus Calcaneus Navicular Cuboid Cuneiforms |
| Most frequently broken bone | Clavicle |
| Longest and strongest bone | Femur |
| Frontal | Forehead |
| Occipital | Back of head |
| sutures | fibrous joints that hold together bones in the skull |
| vomer | vertical bone in the nasal passage |
| palatine | roof of mouth |
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