Trachea are generally highly elastic but they may calcify with age. The trachealis muscle connects the ends of the incomplete rings and contracts during coughing, reducing the size of the lumen of the trachea to increase the rate of air flow. The esophagus lies posteriorly to the trachea, adjoining along the tracheoesophageal stripe. Circular horizontal bands of fibrous tissue called the annular ligaments of trachea join the tracheal rings together. The cartilaginous rings are incomplete to allow the trachea to collapse slightly so that food can pass down the esophagus. A flap-like epiglottis closes the opening to the larynx during swallowing
Isa (name) translations also use Isa, such as David Owen's "Life of Christ" (Arabic 1987). Isa (name) Isa is a unisex given name originating from a variety of sources. The name is most commonly derived from the [classical Arabic] "‘Isa", an Arabic translation of Jesus, itself having a Hebrew origin. However, it is not the only translation; it is most commonly associated with Jesus as depicted in Islam, and thus, commonly used by Muslims. Meanwhile, Arabic-speaking Christians would use "Yasū‘", a more phonetic translation of Jesus. The origin of the Quranic "Isa" is complex and is detailed below. Isa was also used