Long Bone Anatomy Diagram | Quizlet

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11 Terms

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TERM

Diaphysis

DEFINITION

the narrow shaft of a long bone

<p>DEFINITION</p><p>the narrow shaft of a long bone</p>
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TERM

Epiphysis

DEFINITION

the ends of a long bone

<p>DEFINITION</p><p>the ends of a long bone</p>
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TERM

Epiphyseal Line

DEFINITION

This area used to be a plate of cartilage that as it calcifies allows the bone to increase in length.

<p>DEFINITION</p><p>This area used to be a plate of cartilage that as it calcifies allows the bone to increase in length.</p>
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TERM

Articular Cartilage

DEFINITION

This acts as a slippery cushion where bones meet.

<p>DEFINITION</p><p>This acts as a slippery cushion where bones meet.</p>
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TERM

Periosteum

DEFINITION

Membrane that covers the outside of a bone. Contains bone forming cells that help the bone increase in diameter as well as aiding with fracture repair. This is also where the tendons of muscles attach to bone, providing an anchor for muscles to pull on.

<p>DEFINITION</p><p>Membrane that covers the outside of a bone. Contains bone forming cells that help the bone increase in diameter as well as aiding with fracture repair. This is also where the tendons of muscles attach to bone, providing an anchor for muscles to pull on.</p>
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TERM

Medullary Cavity

DEFINITION

Space inside the diaphysis; filled with yellow bone marrow.

<p>DEFINITION</p><p>Space inside the diaphysis; filled with yellow bone marrow.</p>
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TERM

Endosteum

DEFINITION

Membrane found lining the medullary cavity, contains bone forming cells.

<p>DEFINITION</p><p>Membrane found lining the medullary cavity, contains bone forming cells.</p>
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TERM

Compact Bone

DEFINITION

layer of densely packed bone found on the outer portion of the bone, and also making up the majority of the diaphysis.

<p>DEFINITION</p><p>layer of densely packed bone found on the outer portion of the bone, and also making up the majority of the diaphysis.</p>
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TERM

Spongy Bone

DEFINITION

Found in the epiphyses of long bones, also makes up the majority of the short, irregular, flat & sesamoid bones. Made up of trabeculae which hold red bone marrow.

<p>DEFINITION</p><p>Found in the epiphyses of long bones, also makes up the majority of the short, irregular, flat &amp; sesamoid bones. Made up of trabeculae which hold red bone marrow.</p>
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Red marrow

substance found in the spaces formed by the trabecula of spongy bone, responsible for production of blood cells.

<p>substance found in the spaces formed by the trabecula of spongy bone, responsible for production of blood cells.</p>
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yellow marrow

substance found in the diaphysis of long bones, mostly adipose (fat), used to store energy.

<p>substance found in the diaphysis of long bones, mostly adipose (fat), used to store energy.</p>