1)
To where did he take him via a southern path?
1.
Rashi: To Chatzer ha'Chitzonah (Ezras Nashim).
2)
Why does it not say that he measured the cells?
1.
Malbim: Since it says that the gate was 50 Amos long and 25 wide (like the others), we know that the cells are included, for this measure includes the cells.