Definition
noun
A number of small air-filled spaces in the mastoid process of the temporal bone.
Supplement
Normally, they are filled with air. They can be filled with fluid or pus when there is chronic infection such as mastoiditis and chronic otitis. When the infection is severe mastoidectomy is applied as the common treatment.
Synonyms:
Definition noun A number of small air-filled spaces in the mastoid process of the temporal bone. Supplement Normally, they are filled with air. They can be filled with fluid or pus when there is chronic infection such as mastoiditis and chronic otitis. When the infection is severe mastoidectomy is applied as the common treatment. Synonyms:..
In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
