MJM SO3 Cartilage, bone and ossification

mjm-so3-cartilage-bone-and-ossification

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50176

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developing bone or bone recovering from a fracture has collagen fibres in

orientations. this bone is termed

This bone is then broken down by

,forming cortical and cancellous bone.

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in cortical bone, osteoblasts form matrix in rings known as

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50179

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Which are correct for cancellous bone?

Select the correct answer(s).

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50180

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Loos of blood supply to a bone causes what?

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50182

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give the term. shaft of long bone, cortical. Doesn’t cope with twisting forces.

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50183

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give the term. cartilage that is capable of mitotic division and hypertrophy. Once ossified the bone can’t grow

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give the term. widening aspect between diaphysis and epiphysis

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metaphysis

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give the term. rounded surface at the end of a bone where it can articulate with another bone

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50186

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give the term. projection lies close to condyle – site for attachment of ligaments or tendons acting upon the joint

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50187

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give the term. elevation or protuberance on a bone caused by muscle attachment

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50188

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give the term. one of 3 tuberosities on the proximal part of the femur.

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trochanter

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Figure 1 shows hyaline cartilage, indentify the cell at A

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what type of fibre is found in the matrix at b?

c is the perichondrium, nutrients from the blood diffuse this + contain progenitor cells for chondroblasts that divide and differentiate into chondrocytes

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Figure 2, shows a section of cartilage from an IV disc, what type of cell is labelled at a?

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the matrix around chondrocytes of fibrocartilage is very sparse - unlike hyaline

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figure 2 shows the cartilage of an IV disc, what part of the disc is this from?

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the layers of collagen fibres run in different directions this means it can resist abrasive forces

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figure 3 shows a specimen of woven bone, indentify the tissue at a (beginning with m)

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identify the space at b .... cavity

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