Vocal cord synechia is a strand of scar tissue that tethers the vocal cords to each other. It can prevent the vocal cords from opening fully for breathing.
A synechia can also form in other parts of the body. (Note the subglottic synechia shown below.)
Vocal Cord Synechia: Before, During, and After Surgery
Ossified Synechia Resists Thulium Laser
Vocal Cord Synechia
Intubation Injury, Including a Subglottic Synechia
Synechia Hidden by Overhanging Arytenoid Superstructure
Nasal and Inter-arytenoid Synechiae, with Subglottic Stenosis in Forme Fruste Wegener’s
Ulcerative Laryngitis and Resulting Synechia – Fixed!
Posterior Commissure Synechiae