U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Retropharyngeal Abscess. An accumulation of purulent material in the space between the PHARYNX and the CERVICAL VERTEBRAE. This usually results from SUPPURATION of retropharyngeal LYMPH NODES in patients with UPPER RESPIRATORY TRACT INFECTIONS, perforation of the pharynx, or head and neck injuries.
In the grasslands the temperature can be as low as -40 and as high as 70 degrees Fahrenheit. 8 people found this useful. Edit. Share to: 1  Average Temperatures in Spain Spain is a beautiful and diverse country. 2  It is also fairly large, at 195,364 square miles.
In the winter, grassland temperatures can be as low as -40Â° F, and in the summer it can be as high 70Â° F. There are two real seasons: a growing season and a dormant season. The growing season is when there is no frost and plants can grow (which lasts from 100 to 175 days).