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Skeletal System
| Term | Definition |
|---|---|
| Skull | Bone structure protecting the brain and forming the face. |
| Frontal Bone | Forehead bone. |
| Temporal Bone (Left & Right) | Side and base of the skull. |
| Maxilla | Upper jaw bone. |
| Mandible | Lower jaw bone. |
| Zygomatic Bone (Left & Right) | Cheekbone. |
| Occipital Bone | Back of the skull. |
| Parietal Bone (Left & Right) | Top and sides of skull. |
| Sphenoid | Bone at skull base, behind eyes. |
| Ethmoid | Bone forming part of nasal cavity and orbit. |
| Lacrimal (Left & Right) | Small bone in the inner eye orbit. |
| Nasal (Left & Right) | Bridge of the nose. |
| Sternum | Central chest bone. |
| Manubrium | Upper part of sternum. |
| Body | Middle part of sternum. |
| Xyphoid Process | Small, lower tip of sternum. |
| Radius | Forearm bone on thumb side. |
| Ulna | Forearm bone on pinky side. |
| Phalanges (singular: phalanx) | Finger or toe bones. |
| Hallux | Big toe bone. |
| Pollux | Thumb bone. |
| Scapula | Shoulder blade. |
| Tibia | Shin bone, larger lower leg bone. |
| Fibula | Smaller lower leg bone. |
| Pelvis | Hip bones supporting spine and legs. |
| Ilium | Upper, broad hip bone. |
| Ischium | Lower, back part of hip bone. |
| Pubis | Front part of hip bone. |
| Patella | Knee cap. |
| Humerus | Upper arm bone. |
| Rib Cage | Bones protecting heart and lungs. |
| True Ribs (1-7) | Directly attached to sternum. |
| False Ribs (8-10) | Indirectly attached to sternum. |
| Floating Ribs (11-12) | Not attached to sternum. |
| Vertebral Column | Spine, supports body and protects spinal cord. |
| Cervical (C1-C7) | Neck vertebrae. |
| Thoracic (T1-T12) | Upper/mid-back vertebrae. |
| Lumbar (L1-L5) | Lower back vertebrae. |
| Sacral (4 fused) | Fused vertebrae at base of spine. |
| Coccyx (3-5 fused) | Tailbone. |
| Carpals* | Wrist bones. |
| Metacarpals | Hand bones between wrist and fingers. |
| Femur | Thigh bone, longest in body. |
| Tarsals* | Ankle bones. |
| Metatarsals | Foot bones between ankle and toes. |
| Clavicle | Collarbone. |
| Ligaments | Connect bones to bones. |
| Articular Cartilage | Smooth tissue at joint ends. |
| Joint | Point where two bones meet. |
| Fossa | Shallow depression in bone. |
| Fovea | Small pit in bone. |
| Foramen | Hole for nerves or vessels. |
| Tubercle | Small rounded bone projection. |
| Tuberosity | Large rounded bone projection. |
| Spinous Process | Bone projection off vertebra. |
| Condyle / Epicondyle | Rounded end of bone / near joint projection. |
| Malleolus | Ankle bone projection. |
| Trochanter | Large thigh bone projection. |
| Sinus | Air-filled cavity in bone. |
| Sulcus | Groove or furrow in bone. |
| Diaphysis | Shaft of a long bone. |
| Epiphysis | End of a long bone. |
Created by:
user-1847220