The Recurrent And Superior Laryngeal Nerves (20... ❲1000+ Pro❳

Both nerves originate from the vagus nerve (Cranial Nerve X) but follow distinct paths to reach the larynx. Nerve Branch Primary Functions Key Innervations Sensory : Afferent limb of the cough reflex. Laryngeal mucosa above the vocal cords (glottis/vestibule). Superior Laryngeal (External) Motor : Increases pitch and vocal tension. Cricothyroid muscle only. Recurrent Laryngeal Motor : Primary voice and airway control. All intrinsic laryngeal muscles except the cricothyroid. Recurrent Laryngeal Sensory : Sensation below the vocal cords. Laryngeal mucosa below the vocal cords down to the carina. The Asymmetric Course of the RLN

The recurrent laryngeal nerve (RLN) and the superior laryngeal nerve (SLN) are essential branches of the that provide the motor and sensory control necessary for speech, breathing, and swallowing. Understanding their complex anatomy and potential for injury is critical, particularly for surgeons performing thyroid, parathyroid, or thoracic procedures. Core Anatomy and Function The Recurrent and Superior Laryngeal Nerves (20...

The RLN is famous for its long, "recurrent" path, which differs on each side of the body: Both nerves originate from the vagus nerve (Cranial