Skin opening (4)
'skin opening' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for pore that I've seen before include "Rope around tiny hole" , "Minute opening in the skin" , "Closely study" , "Skin opening; look closely (over)" , "Sweat-gland opening" .)
(Other definitions for pope that I've seen before include "man of great authority" , "Bishop of Rome" , "Head of RC church" , "Vatican leader" , "Satirist" .)