Southeastern Skeleta Word Scramble
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Question | Answer |
Skeletal System Physiology | Supports systems through framework. Protects organs. Movement through leverage. Hemopoiesis. Stores fat for later use. Stores minerals for later use |
Long | Bones that are longer than wide |
Short | Bones that are usually small and cuboidal |
Flat | Bones that have a broad flat surface |
Irregular | Bones that fall into a catch all category for bone shapes that don’t fit in another category |
Sesamoid | Bones that are embedded in tendons |
Diaphysis | Shaft of a long bone |
Medullary Cavity | Center of diaphysis |
Haversian Canals | Longitudinal pathway through bone |
Volkman’s Canals | Horizontal pathway through bone |
Periosteum | Sheath that surround the diaphysis |
Interosseous Ligament | Membrane found between specific bones (i.e. ulna & radius or tibia & fibula) |
Epiphyses | Ends of a long bone |
Epiphyseal Plate | Growth plate between the epiphyses & diaphysis |
Epiphyseal Line | Replaces the epiphyseal plate when bone growth is complete |
Articular Cartilage | Hyaline cartilage at the ends of long bones that create a buffer between the bones |
Osteoblasts | Bone forming cells |
Osteoclasts | Cells that break down bone |
Osteocyte | Mature osteoblast |
Spongy Bone | Lattice-like network in the center of a long bone which is filled with red and yellow marrow |
Compact Bone | Outer portion of bone that is dense for strength |
Ossification | Bone development |
Exercise | Stresses the skeletal system. Moves blood calcium into bones. Osteoblasts are stimulated. Makes stronger bones |
Osteoclasts break down the minerals | And move the minerals into the blood |
Osteoblasts replace bone lost | Due to metabolism |
Aging | Decrease of hormone levels slow down the rate at which osteoblasts rebuild bone. Can result in loss of bone mass. |
Axial Skeleton | Skull, vertebrae, sternum & ribs |
Appendicular Skeleton | Extremities and how they attach to the axial skeleton |
Synarthoses | Joints with little to no movement and found in skull sutures & tooth joints |
Amphiarthroses | Slightly moveable joints and found in pubic symphysis & intervertebral joints |
Diarthroses | Freely moving joints |
Bursae | Collapsed sac-like structures that provide additional synovial fluid to protect muscle tendons |
Flexion | Decrease of an angle of a joint |
Extension | Straighten or increase the angle of a joint |
Abduction | Movement away from median plane |
Adduction | Movement towards median plane |
Supination | Lateral (outward) rotation of forearm |
Pronation | Medial ( inward) rotation of forearm |
Plantar Flexion | Movement of the ankle making the toes point down |
Dorsiflexion | Movement of the ankle making the toes point toward the shin |
Inversion | Medial edge of foot is elevated so that the soles of the feet face each other |
Eversion | Lateral edge of foot is elevated so that the soles of the feet are turned away from each other |
Circumduction | Distal end moves in a circle while the proximal end stays relatively fixed |
Rotation | Bone moves around its own central axis |
Elevation | Raising or lifting a body part |
Depression | Lowering or dropping a body part |
Protraction | Movement forward or anteriorly |
Retraction | Movement backward or posteriorly |
Pelvic Tilt | Anterior or posterior tilting of the entire pelvis |
Pelvic Rotation | One side of pelvis is further forward than the other |
Hinge | Limited to flexion and extension |
Pivot & Screw | Limited to rotation |
Saddle Joint | Carpometacarpal of the thumb for its varied movements |
Ellipsoidal Joint | Flexion, extension, adduction, abduction |
Ball & Socket Joint | Permit all movements |
Gliding | All movements but are limited to gliding |
Created by:
cmcracken
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