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Multiple Choice
In which part of the notochord is the fluid contained?
A
Inside the central canal
B
Within the surrounding mesoderm
C
Between the notochord and the neural tube
D
In the intervertebral discs
Verified step by step guidance
1
Understand the structure of the notochord: The notochord is a flexible rod made out of a material similar to cartilage. It is a key structure in the development of the vertebrate skeletal system.
Identify the role of the notochord: It provides signals to the surrounding tissues during development and serves as a scaffold for the developing vertebral column.
Recognize the location of the fluid: The notochord itself does not have a central canal. The central canal is a feature of the neural tube, not the notochord.
Consider the surrounding structures: The notochord is surrounded by mesoderm, which is a layer of cells that will give rise to various tissues, but the fluid is not contained within this mesoderm.
Clarify the relationship with intervertebral discs: In adults, remnants of the notochord can be found in the nucleus pulposus of intervertebral discs, but during development, the fluid is not specifically contained in the intervertebral discs.