Derivations

Term

Derivation

Description

  lung

Anglo-Saxon. lunge

one of two cone-shaped, spongy organs of respiration contained within the pleural cavity (the pleural is a membrane that enfolds the lungs, from Greek pleura meaning side).

  trachea

G. tracheia - rough

The trachea is a cartilaginous tube from the larynx to the bronchi, also called the windpipe. Combining form trache/o

  bronchus

G. bronchos - windpipe

one of two large branches of the trachea which provide a passageway for air moving to and from the lungs. They penetrate the lungs and terminate in the bronchioles. Combining forms: bronch/i, bronchi/o, bronchiol/o

  thorax

G. thorax, thorakos - trunk of the body

part of the body between the neck and the diaphragm. Combining form thorac/o

  diaphragm

G. diaphragma - partition

a musculo-membranous wall separating the abdomen from the thoracic cavity. It contracts with each inspiration (inhalation) and relaxes with each expiration. Combining forms: phren/o, diaphragm/o, diaphragmat/o