Eczema on your scalp is the same as it is everywhere else, except for two complications. 1  most people have hair on their heads, which makes it difficult and unsightly to apply thick creams and ointments. 2  itâs right out in the open where everyone can see.
The alveolar epithelium comprises two main cell types: the alveolar type I and alveolar type II cell.The type I cell is a complex branched cell with multiple cytoplasmic plates that are greatly attenuated and relatively devoid of organelles; these plates represent the gas exchange surface in the alveolus.On the other hand, the type II cell acts as the caretaker of the alveolar compartment.he type I cell is a complex branched cell with multiple cytoplasmic plates that are greatly attenuated and relatively devoid of organelles; these plates represent the gas exchange surface in the alveolus. On the other hand, the type II cell acts as the caretaker of the alveolar compartment.
The alveoli increase the total surface area of your lungs, which allows more gas exchange to take place. The alveolar membrane acts as an interface for oxygen to diffuse into â¦ the bloodstream, and carbon dioxide to diffuse out of the blood.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.