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Skeletal System Term
| Question | Answer |
|---|---|
| Acetabulum | Hip socket of Os Coxa |
| Axial Skeleton | Central core from cranium to coccyx |
| Cervical 2 (C2) | - Axis - Has dens/odontoid process |
| Calcitonin | Thyroid hormone that increases osteoblast activity |
| Canaliculi | Bone cytoplasmic extension (Canal in compact bone that allows food/waste to pass through) |
| # of Cervical Vertebrae | 7 |
| Characteristics of Cervical Vertebrae | - Holes in Transverse Process (TP) - Bifid spinous process - C1 (Atlus) has no body - C2 (Axis) has dens - C7 (Prominens) is the largest Cervical Vertebra |
| Chondrocytes | Cartilage cells |
| Collagen | Most abundant animal protein |
| Compact Bone | - Dense - Forms Haversian System (Osteon) |
| Cribriform Plate | - In Ethmoid - Olfactory nerves pass through |
| Endochondral Ossification | Most common bones formed from cartilage |
| Endosteum | Interior bone lining |
| Epiphysis | - Expanded end of long bone - Growth plate (Epiphyseal plate) - Made of Spongey Bones |
| Eye Orbit | Formed from 7 bones (Frontal, Sphenoid, Ethmoid, Maxilla, Palatine, Zygomatic, Lacrimal) |
| Floating Ribs | Rib pairs 11 and 12 |
| Fontanels | - Soft spots on skull - Sutures not yet formed |
| Foramen Magnum | Big hole where spinal cord turns into brain stem located in Occipital Bone |
| Growth Plate | Epiphyseal plate, Hyaline Cartilage |
| Hard Palate | Made of 2 Maxilla and 2 Palatine bones |
| Heel Bone | Calcaneus |
| Hemopoietic | Formation of blood cells |
| Hyoid | Bone in neck with no articulation (Controls tongue) |
| Iliac Crest | Top ridge of Os Coxa (Hand on hip) |
| Irregular Bones | Facial, Vertebrae, Os Coxae, Hyoid, etc |
| Key of the Skull | Sphenoid |
| Lamellae | Concentric rings of compact bones |
| Lateral Malleolus | Distal Fibula |
| # of bones in Lumbar Vertebrae | 5 bones (Not fused) |
| Mandible | Only bone that moves freely |
| Medial Malleolus | Distal Tibia |
| Most anterior point of scapula | Coracoid Process (Crow's beak) |
| Most lateral point of scapula | Acromiom Process |
| Nasal Septum | Made of Ethmoid and Vomer bones |
| Olecranon Process | Elbow Knob of Proximal Ulna |
| Osteoblast | Cell that builds bones |
| Osteoclast | Cell that breaks down bones |
| Osteocyte | Mature bone cells |
| Pectoral Girdle | Clavicle and Scapula |
| Pelvic Girdle | Os Coxa (Ilium, Ishium, Pubis) |
| Periosteum | Membrane that surrounds bones |
| Primary type of cartillage | Hyaline |
| Parathyroid Hormone (PTH) | Osteoclast simulation to demineralize (break down) bones |
| Radius | Bone in forearm found on the Thumb side |
| Red Marrow | Where blood cell formation (Hemopoiesis) occurs |
| # of bones in Sacrum | 5 Bones (Fused) |
| Sella Turcica | - Part of the Sphenoid - Houses Pituitary Gland |
| # of bones in Thoracic Vertebrae | 12 |
| Ulna | Bone in forearm found on the Pinky side |
| Xiphoid Process | - Caudal part of sternum - Avoid during CPR |
| Yellow Marrow | Fat storage in Diaphysis of long bone |
| Zygomatic | Cheek Bone |
| Diaphysis | - Tubular shaft between ends of long bones - Made of Compact/Dense bones |
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