I. Osteology - Ossification. (Pg. 2) Flashcards

1
Q

Bone is the embryological derivative of which specific connective tissue?

A

mesenchyme and/or cartilage

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2
Q

What is the name given to the pattern of ossification in mesenchyme?

A

intramembranous ossification

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3
Q

What is the timing for the appearance of intramembranous ossification?

A

from the second to the third month in utero

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4
Q

What part of the axial skeleton is primarily formed by intramembranous ossification?

A

the skull

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5
Q

What is the name given to the pattern of ossification in cartilage?

A

endochondral ossification

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6
Q

What is the timing for the appearance of ossification in cartilage?

A

from the second to fifth month in utero

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7
Q

Which skull bones are ossified by both endochondral and intramembranous ossificatoin?

A

the mandible, sphenoid, temporal and occipital bones

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8
Q

Which bone of the appendicular skeleton is formed by both endochondral and intramembranous ossification?

A

the clavicle

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9
Q

What are the names given to the centers of ossification based on time of appearance?

A

primary centers of ossification appear before birth

secondary centers of ossificatoin appear after birth

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