Chapter 6- The Skeletal System
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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| amphiarthroses | slightly movable joints such as the joint joining the two pubic bones
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| appendicular skeleton | the bones of the upper and lower extremities of the body
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| articular cartilage | cartilage covering the joint ends of bones
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| articulation | joint
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| axial skeleton | the bones of the head, neck, and torso
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| canaliculi | an extremely narrow tubular passage or channel in compact bone
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| chondrocytes | cartilage cells
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| compact bone | dense bone
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| diaphysis | shaft of a long bone
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| diarthroses | freely movable joint
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| epiphyses | ends of a long bone
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| fontanels | "soft spots" on the infant's head; unossified areas in the infant skull
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| hemopoiesis | blood cell formation
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| lacunae | space or cavity; for example, lacunae in bone contain bone cells
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| lamella | thin layer, as of bone
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| medullary cavity | hollow area inside the diaphysis that contains yellow bone marrow
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| osteoblasts | bone-forming cells
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| osteoclasts | bone-absorbing cells
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| osteocytes | bone cells
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| osteon (Haversian systems) | the circular arrangements of calcified matrix and cells that give bone its characteristic appearance
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| pectoral girdle | shoulder girdle; the scapula and clavicle
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| pelvic girdle | connects the legs to the trunk
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| periosteum | tough, connective tissue covering the bone
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| red bone marrow | soft material that fills cavities of the bones; red bone marrow is vital to blood cell formation
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| sinus | a space or cavity inside some of the cranial bones
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| skull | consists of 8 bones that form the cranium, 14 bones that form the face, and 6 tiny bones in the middle ear
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| spine | vertebral column; series of separate bones or vertabrae connected in such a way that they form a flexible rod
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| synarthroses | a joint in which fibrous connective tissue joins bones and holds them together tightly; commonly called sutures
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| synovial membrane | connective tissue membrane lining the spaces between bones and joints that secretes synovial fluid
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| thorax | chest
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| trabeculae | needlelike threads of spongy bone that surround a network of spaces
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| yellow bone marrow | soft material that fills cavities of the bones; yellow bone marrow is inactive fatty tissue
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide the entire table, click on the "Hide All" button.
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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