Give the specific name of the specific cell indicated by the green arrow (be specific!). Ignore the other labels.

  Give the full name of the structure indicated with the red line labeled by the letter A. Ignore the other labels.

    Give the full name of the circled structure and indicated with the black arrow. Ignore the other labels.

  Give the full name of the chamber indicated by the green arrow. Make sure to include the side (left or right) in your answer. Ignore the other labels.

  Give the full name of the structure indicated with the red line labeled by the letter B. Ignore the other labels.

  Give the full name of the region of the organ labeled by the letter K (be specific). Ignore the other labels. (Hint: include the name of the organ in your answer)

  Give the full name of the cellular structure indicated by the black arrows. (Hint: the same structure is indicated by each of the black arrows)

  Give the full name of the structure indicated with the green circle. Ignore the other labels. (Hint: the overlying net-like structure that is colored red and blue, not the underlying structure that is colored white)

  Give the full name of the region of the organ labeled by the letter H (be specific). Ignore the other labels. (Hint: include the name of the organ in your answer)

Observation: Transplantation of a second dorsal lip to the ventral marginal zone causes a second axis to develop.