Enter (in mm) the nominal diameter of the hole H1:
The image below shows a cross section through the dorsal region of a early mouse embryo.
The image below is a ventral view of the craniofacial region in a human embryo.
What does X point to?
Consider the image below of a section through the developing neural tube
If I conducted in situ hybridisation on this neural tube, which of the following would I see?
What is the first and most obvious defect that
would occur in the limb bud if tissue X failed to form?