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