Groove for descending aorta
Sulcus partes descendens aortae
Definition
On the left lung, behind the hilus and pulmonary ligament is a vertical furrow produced by the descending aorta (Groove for descending aorta), and in front of this, near the base of the lung, the lower part of the esophagus causes a shallow impression (Area for esophagus
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).