BonesLab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Functions of the skeletal system | Support the body against gravity, storage of minerals and lipids, blood cell production, protection, and leverage
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| Axial Skeleton | Those bones comprising the skull, thorax, and vertebral column
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| Appendicular Skeleton | Those bones of the limbs and girdles [126 bones, mostly paired]
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| Limbs | Arms and Legs; Appendages
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| Girdles | The supporting elements that connect the limbs to the axial skeleton
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| Upper Appendicular Region | Pectoral girdle and upper limbs
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| Lower Appendicular Region | Pelvic girdle and the lower limbs
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| Surface Markings | Features that represent association of the skeletal system with other systems (Tuberosity, Notch, Fossa, Epicondyles, and Foramen)
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| Tuberosity | A roughened region of bone where tendons or ligaments attach (shaft of the bone)
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| Notch | Areas on a bone where two or more bones articulate (move in relation to each other)
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| Fossa | Depressions near articulations
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| Foramen | Openings in the bones through which nerves and blood vessels pass
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| Bone Strength | The interaction between collagen fibers and hydroxapatite crystals is what gives bone it’s high degree of strength, keeps it somewhat flexible and highly resistant to shattering
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| Compression | A force that acts to compress or shorten the thing it is acting on
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| Tension | A force that acts to expand or lengthen the thing it is acting on
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| Fracture | A crack or break in the bone that occurs when bones are overstressed or stressed in their directions of weakness (types: open and closed)
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| Closed Fracture | Simple fracture; fracture that is completely internal
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| Open Fracture | Compound fracture; fracture that is projecting through the skin (more dangerous than closed)
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| Articulation | Where two or more bones meet (joint)
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| Synarthrosis | Articulation with no free movement
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| Amphiarthrosis | Articulation with limited movement
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| Diarthrosis | Articulation with free movement
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| Fibrous Joint | Bones joined by fibrous connective tissue
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| Cartilaginous Joint | Bones joined by cartilaginous connective tissue
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| Synovial Joint | Bones joined by a fluid-filled cavity [most common joint type of the appendicular skeleton]
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| Bony Joint | Two or more bones fused together (Fusion)
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| Decalcified Bone Slides | Produced by removing the mineral matrix (hydroxyapatite, calcium carbonate, sodium, magnesium, fluoride) of the bone and leaving behind only the cells and organic matrix that makes up the bone
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| Decalcified Bone | Most of the features of the bone should be visible except canaliculi (shows marrow, but ground bone does not)
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| Canaliculi | Connect lacunae and lead to the central canal
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| Ground Bone Slides | Inverse of decalcified bone slides – cells and organic matrix have been removed, leaving only the mineral matrix, which is then ground thin enough to allow light to pass through
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| Ground Bone | Can more clearly identify some features of the bone, such as canalliculi (does not show marrow)
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| Tubercule | Rounded projectins at the head of a bone
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| Fossa | Depressions near articulations
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| Epicondyle | Processes (bulges) near articulations
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| Pelvic Girdle | Formed by two os coxae (the ilium, ischium, and pubis fused together)
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| Pubis Symphysis | Place where two os coxae joined anteriorly by a fibrocartilage pad
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| Acetabulum | Located laterally on each os coxae and articulates with the head of the femur
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| Female Pelvis | Larger pelvic inlet and outlet (empty space within the pelvis), wider angle between the pubic bones, a less curved sacrum and coccyx (does not protrude as much into the pelvic outlet), and a generally broader and shallower pelvis (wider and shorter ilium)
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Cyndi1087
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