Blocked Tear Duct Structure 687308932

Tags: colorful human people health medical man structure eye tear body blurred system vision organ apparatus canal scheme educational internal anatomy blocked pupil blockage tears duct schema schematic congenital sinus cellulitis labeled gland secretion lacrimal corneal hand drawn canaliculus internal organ nasolacrimal blepharitis canthus canalicular canaliculotomy human internal organs diagram blocked tear duct canaliculitis