Multiple Choice
Intramembranous ossification __________.
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6. Bones & Skeletal Tissue
Microscopic Anatomy of Bones - Bone Cells
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Before eight weeks, the skeleton of the human embryo is composed of __________.
A
lamellar bone
B
fibrous membrane
C
spongy bone
D
compact bone
Verified step by step guidance1
Understand that the human embryo's skeleton initially forms from a different material than adult bone. This is crucial for early development.
Recognize that before eight weeks, the embryonic skeleton is not yet ossified and is composed of a softer, more flexible material.
Identify the types of materials that can form the early skeleton: fibrous membranes and cartilage are common precursors to bone.
Note that fibrous membranes are a key component in the formation of flat bones through a process called intramembranous ossification.
Conclude that before eight weeks, the human embryo's skeleton is composed of fibrous membranes, which later ossify to form bone.
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