cartilagesupported

Cartilage-supported is an anatomical descriptor used to describe structures whose primary architectural integrity and shape are provided by cartilage rather than bone or dense connective tissue. The term highlights the role of cartilage in shaping, cushioning, and allowing flexibility in regions where rigidity or weight-bearing is not the main priority. In humans, many regions retain cartilaginous frameworks that support form and function throughout life or during development.

Common examples include the external ear (auricle), which is built largely from elastic cartilage to maintain its shape while remaining pliable; the nasal framework, composed of hyaline and some elastic cartilage that gives the nose its characteristic contour; the laryngeal skeleton, including thyroid and cricoid cartilages, which support airway structure and voice production; and the tracheal and bronchial walls, where cartilaginous rings keep airways open. The rib cage uses costal cartilage to connect the ribs to the sternum, providing both flexibility for breathing and a degree of support. Elastic structures such as the epiglottis also rely on cartilage to perform their protective function. In development, fetal skeletons contain extensive cartilaginous tissue that later ossifies in many regions.

Development and pathology considerations include cartilage being avascular, growing by appositional and interstitial mechanisms, and being susceptible to degenerative conditions or injury. Cartilage-supported structures balance stability with mobility and play essential roles in respiration, hearing, facial form, and protective mechanisms. See also cartilage, hyaline cartilage, elastic cartilage, and cartilaginous joints.