Related Clues:

• Epidermal opening
• Really go (over)
• Ruminate (over)
• Urania, e.g.
• Hole in the hide
• Go carefully (over)
• Ponder (with "over")
• Artist's inspirer
• Perspiration vent
• Minute hole
• Source of many a bead
• Tiny perforation
• Perspiration outlet
• Consider (with "over")
• You sweat through it