- 软骨头 ruǎngǔtou cowarda weak-willed or cowardly person; a spineless individual who lacks integrity or principles
- 软骨病 ruǎngǔbìng ricketsA disease of infants and children caused by vitamin D deficiency, characterized by soft bones and skeletal deformities
- 软骨鱼 ruǎngǔyú cartilaginous fishfish with skeletons made of cartilage instead of bone, including sharks and rays
- 会厌软骨 huìyànruǎngǔ epiglottis cartilageThe cartilage of the epiglottis, located behind the tongue; it folds back to cover the glottis during swallowing to prevent food from entering the trachea.
- 软骨功 ruǎngǔgōng contortionismthe art or performance of physical contortion, specifically flexibility training or acrobatic skills that allow a person to twist into unusual positions
- 软骨鱼类 ruǎngǔyúlèi cartilaginous fishcartilaginous fish such as sharks and rays; the taxonomic class Chondrichthyes
- 骺软骨板 hóuruǎngǔbǎn growth plateepiphyseal plate; the area of growing tissue near the ends of the long bones in children and adolescents
- 会咽软骨 huìyànruǎngǔ epiglottic cartilagethe elastic cartilage that forms the structure of the epiglottis
- 小儿软骨病 xiǎo'érruǎngǔbìng ricketsrickets; a childhood medical condition affecting bone development
- 环状软骨 huánzhuàngruǎngǔ cricoid cartilageA ring-shaped cartilage located at the base of the larynx, positioned below the [[甲状软骨|甲狀軟骨|jia3 zhuang4 ruan3 gu3]]. It forms the lower part of the voice box and maintains an open airway by preventing the windpipe from collapsing during inhalation.
- 甲状软骨 jiǎzhuàngruǎngǔ thyroid cartilageThe largest cartilage in the larynx, located at the front of the throat; in males, it is more prominent and forms the [[喉结|喉結|hou2 jie2]].