Skip to main content

Unfortunately we don't fully support your browser. If you have the option to, please upgrade to a newer version or use Mozilla Firefox, Microsoft Edge, Google Chrome, or Safari 14 or newer. If you are unable to, and need support, please send us your feedback.

Publish with us
Quadrangular Membrane
Respiratory System

Quadrangular Membrane

Membrana quadrangularis

Read more


The superior margin of the quadrangular membrane extends from the epiglottis anteriorly to the arytenoid cartilages posteriorly. Due to the position of these cartilages, the anterior border slopes inferiorly as it courses towards the arytenoid cartilages.

Complete Anatomy
The world's most advanced 3D anatomy platform
Try it for Free

Key Features & Anatomical Relations

The quadrangular membrane hangs like a curtain with a free lower border. This free lower margin is thickened and forms the vestibular ligament which is the basis of the vestibular fold.

Learn more about this topic from other Elsevier products


ScienceDirect image

The larynx is defined as an instrument à cordes et à vent – that is, not to be classed purely either as a stringed instrument or a wind instrument.

Explore on ScienceDirect(opens in new tab/window)

Complete Anatomy

The world's most advanced 3D anatomy platform

Complete Anatomy