what is the lipid molecule that coats the alveolar surfaces called
The alveolar ridges contain the sockets (alveoli) of the teeth.  They can be felt with the tongue in the area  right above the top teeth or below the bottom teeth. Its surface is  covered with little ridges.Sounds made with the tongue touching  the alveolar ridge while speaking are called alveolar consonants.Examples of  alveolar consonants in English are, for instance, [t], [d], [s],  [z], [n], [l] like in the words time, dawn, silly, zoo,  nasty and lollipop.ts surface is  covered with little ridges. Sounds made with the tongue touching  the alveolar ridge while speaking are called alveolar consonants. Examples of  alveolar consonants in English are, for instance, [t], [d], [s],  [z], [n], [l] like in the words time, dawn, silly, zoo,  nasty and lollipop.