The term "reticular cartilage" refers to a type of cartilage found in the body, particularly in joints such as the knee and elbow. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) as rɪtɪkjʊlər kɑːtɪlɪdʒ. The /r/ sound is followed by the /ɪ/ vowel sound, and the /t/ sound following the /r/ is pronounced lightly. The stress is on the second syllable, and the /dʒ/ sound at the end is pronounced as a soft 'j'.
Reticular cartilage is a specialized type of cartilage found in specific locations of the body, characterized by its unique structure and composition. It is a flexible, but firm connective tissue that provides support and cushioning to certain areas, aiding in their functionality and protection.
The term "reticular" refers to the distinct network-like arrangement of the cartilage cells, known as chondrocytes, within the extracellular matrix. This matrix contains elastic fibers as well as a meshwork of collagen fibers, giving the reticular cartilage its distinctive appearance. The combination of these structures provides both resilience and durability to the cartilage.
Reticular cartilage is primarily found in sites where firmness, flexibility, and shock-absorbing properties are essential. One notable location is in the respiratory system, where it makes up the structure of the larynx (voice box), trachea (windpipe), and bronchial tubes. In these areas, the reticular cartilage helps maintain the shape and patency of the airways, preventing collapse during breathing.
Additionally, reticular cartilage can be found in certain joints, such as the sternoclavicular joint and the symphysis pubis, where it helps with stability and shock absorption.
Overall, reticular cartilage is an essential component of the body's connective tissues, providing structural support and aid in maintaining the function of various organs and joints. Its distinctive network-like structure and unique composition contribute to its specific role in certain locations throughout the body.
Yellow elastic cartilage.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "reticular cartilage" is derived from the Latin word "reticulum", which means "a small net". This is because reticular cartilage has a distinct network or mesh-like structure under a microscope, resembling a net.