Term
how many bones make up the appendicular skeleton? |
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Definition
126 appendages, pectoral + pelvic girdle |
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Term
how are the pectoral and pelvic girdle related to the axial skeleton? |
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Definition
the girdles attach the limbs to the axial skeleton |
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Term
describe the general make up of the upper and lower limbs. |
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Definition
each limb is composed of three major segments connected together by freely movable joints |
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Term
what makes up the pectoral, or shoulder, girdles? |
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Definition
the anterior clavicle + posterior scapula |
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Term
what is the function of the pectoral girdles? |
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Definition
function to attach the upper limbs to axial skeleton and provide attachment points for many trunk and neck muscles |
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Term
describe the shape of the clavicle |
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Definition
collarbone slender doubly curved bone - convex forward on medial 2/3 and concave laterally |
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Term
what does the sternal (medial) end of the clavical attach to? |
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Definition
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Term
describe the sternal end of the clavicle. |
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Definition
projects above manubrium; can feel forms lateral walls of jugular notch |
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Term
describe the acromial (lateral) end of the clavicle. what does it articulate with? |
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Definition
flattened articulates with scapula to form part of shoulder joint |
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Term
where is the conoid tubercle? what does it anchor? |
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Definition
posteroinferior surface of clavicle anchors a ligament |
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