Trachea annular ligaments of trachea. The epiglottis closes the opening to the larynx during swallowing. The trachea develops in the second month of development. It is lined with an epithelium that has goblet cells which produce protective mucins (see "Respiratory epithelium"). An inflammatory condition, also involving the larynx and bronchi, called croup can result in a barking cough. A tracheotomy is often performed for ventilation in surgical operations where needed. Intubation is also carried out for the same reason by the inserting of a tube into the trachea. From 2008, operations have experimentally transplanted a windpipe grown by stem cells, and
Isa (name) 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 in the Frisian (Old Germanic) language for both males and females and was