El depresor del tabique nasal es un músculo nasal que se encarga de la expresión facial. Asiste a la porción alar del músculo nasal en la dilatación de la apertura nasal. Inserciones: se origina en el maxilar superior (por encima del incisivo medial) y se inserta en el tabique nasal. Acciones: tracciona el tabique nasal inferiormente para ensanchar la abertura nasal. Inervación: ramas bucales del nervio facial. Irrigación sanguínea: arteria facial By TeachMeSeries Ltd (2026) Fig. 1: Los músculos nasales de la expresión facial. Ten en cuenta que el músculo nasal se compone de dos partes. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Frequent questions What is the function of the depresor del tabique nasal? The depresor del tabique nasal primarily facilitates facial expression by assisting in the dilation of the nasal opening. It achieves this by pulling the nasal septum downwards. Where does the depresor del tabique nasal originate and insert? This muscle originates from the maxilla, specifically above the medial incisor, and inserts into the nasal septum. This positioning allows it to effectively influence the shape of the nasal aperture. How does the depresor del tabique nasal contribute to nasal function? The depresor del tabique nasal helps widen the nasal opening by pulling the nasal septum inferiorly. This action can enhance airflow through the nasal passages. What nerves innervate the depresor del tabique nasal? The depresor del tabique nasal is innervated by the buccal branches of the facial nerve. This nerve supply is crucial for the muscle's function in facial expressions. Which blood vessel supplies the depresor del tabique nasal? The facial artery provides the blood supply to the depresor del tabique nasal. Adequate blood flow is essential for the muscle's health and function. Rate This Article