Related Clues:

• Liquid bead source
• Opening in a sponge
• Ponder minute passage
• Study intently, with 'over'
• Sweat hole
• Read carefully, with 'over'
• Face mask target
• Opening in a leaf
• Study, with "over"
• Opening in skin or a sponge
• Dermatologist's opening
• Sweat spot?
• Site of a clog, perhaps
• Skin breather
• Mouth-like opening found in enormous tomato