Ossification Flashcards
Bone is the embryological derivative of which specific connective tissue?
Mesenchyme and/or cartilage
What is the name given to the pattern of ossification in mesenchyme?
Intramembranous ossification
What is the timing for the appearance of intramembranous ossification?
From the second to third months in uterus
What part of the axial skeleton is primarily formed by intramembranous ossification?
The skull
What is the name given to the pattern of ossification in cartilage?
Endochondral ossification
What is the timing for the appearance of ossification in cartilage
From the second to fifth month in uterus
Which skull bones are ossified by both endochondral and intramembranous
The mandible, sphenoid, temporal, and occipital bones
Which bone of the appendicular skeleton is formed by both endochondral and intramembranous ossification
The clavicle
What are the names given to the centers of ossification based on time of appearance?
Primary centers of ossification appear before birth
Secondary centers of ossification appear after birth
