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 receive about 500 to 900 mm of rain per year compared to deserts, which receive less than 300 mm and tropical forests, which receive more than 2,000 mm. While temperatures are often extreme in some grasslands, the average temperatures are about -20Â°C to 30Â°C.rasslands receive about 500 to 900 mm of rain per year compared to deserts, which receive less than 300 mm and tropical forests, which receive more than 2,000 mm. While temperatures are often extreme in some grasslands, the average temperatures are about -20Â°C to 30Â°C.