What structure is the arrow pointing to?
Incorrect. The lacrimal sac receives the contents of this structure, which carries tears from the lower punctum to the lacrimal sac. Try again!
Incorrect. The lower punctum is the opening of the lower canaliculus. It lies proximal to this structure. Try again!
Incorrect. The common canaliculus is where the indicated structure converges with its superior counterpart. Try again!
Correct. The lower canaliculus is an epithelial-lined tube that carries tears from the lower punctum to the lacrimal sac. If it becomes blocked or severed by trauma, the eye will tear excessively.