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.
Grasslands are dry, very windy, and the temperature varies from 113 degrees Fahrenheit in the summer and -49 degrees in the winter. Usually no colder than 20 degrees in Africa.