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        | One function of bone is to produce red and white blood cells. These cells are made in what substance |  | Definition 
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        | Bones forming the roof of the skull and the scapula are referred to as__________. |  | Definition 
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        | Mature bone cells found in lacunae are called ____________. |  | Definition 
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        | Giant multinucleated cells involved in the process of osteolysis are ___________. |  | Definition 
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        | Unlike compact bone, spongy bone, or cancellous bone, resembles a network of bony struts separated by spaced that are normally filled with ___________. |  | Definition 
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        | Spongy bone is found primarily at which part of long bones? |  | Definition 
 
        | expanded ends, where they articulate with other skeletal elements. |  | 
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        | During intramembranous ossification, the developing bone grows outward from the ossification center in small struts called ______________. |  | Definition 
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        | When osteoblasts begin to differentiate with a mesenchymal of fibrous connective tissue, the process is called _____________. |  | Definition 
 
        | intramembranous ossification |  | 
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        | The process during which bones begin developement as cartilage models and the cartilage is later replaced by bone is called _________________. |  | Definition 
 
        | endochondral ossification |  | 
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        | The region known as the epiphyseal plate is the area where ____________. |  | Definition 
 
        | Cartilage is being replaced by bone |  | 
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        | The bony skeleton begins to form about ________ after fertilization and usually does not stop growing until about age ____________ years. |  | Definition 
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        | The process of replacing other tissues with bone is called ___________________. |  | Definition 
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        | which bone disorder is characterized by the formation of bone in wrong places after minor injury? |  | Definition 
 
        | fibrodysplasia ossificans progressiva |  | 
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        | What is the condition that produces a reduction in bone mass sufficicient to compromise normal function? |  | Definition 
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        | Growth hormone from the pituitary gland and thyroxine from the thyroid gland maintain normal bone growth activity at the ______________. |  | Definition 
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        | Pott's fracture is identified primarily by____________________________> |  | Definition 
 
        | a break in both lower leg bones at the ankle. |  | 
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        | Which anatomical term describes a rounded passageway for blood vessels or nerves? |  | Definition 
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        | Where is a sesamoid bone most often found? |  | Definition 
 
        | near joints at the knee, the hands, and the feet. |  | 
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        | Osteolysis is an important process in the regulation of ________________________. |  | Definition 
 
        | calcium and phosphate concentrations in body fluids. |  | 
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        | A girl born with nonfunctioning ovaries could be expected to have a deficiency in the activity of which type of cell? |  | Definition 
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        | The thyroid regulates bone growth and maintenance through its production of what hormone? |  | Definition 
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        | when the calcium ion concentration of the blood rises above normal, secretion of the hormone calcitonin______________. |  | Definition 
 
        | increases the rate of calcium ion excretion. |  | 
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        | The fibers of tendons intermingle with those of the periosteum, attaching ___________. |  | Definition 
 
        | skeletal muscles to bones |  | 
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        | The type of fracture that occurs in vertebrae subject to extreme stresses is a _____________ fracture. |  | Definition 
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        | which vitamins are specifically required for normal bone growth? |  | Definition 
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