Pulmonary & Respiratory Medicine

Lung Anatomy &Development

Lungs square measure the key organs of the system and square measure divided into sections or lobes. the proper respiratory organ has 3 lobes and is slightly larger than the left respiratory organ, that has 2 lobes. The lungs square measure separated by the bodily cavity. This space contains the center, trachea, esophagus, and lots of bodily fluid nodes. The respiratory organ develops at regarding 4-6 weeks' gestation in humans as a ventral outpouching of the primitive foregut into the encircling ventral mesoblast. This structure is termed the laryngotracheal groove and it's the forerunner of the vocal organ and trachea