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.
Topics | Endocrine System | What is the function of alpha cells in the pancreas? An alpha cell is a type of cell in the pancreas. Alpha cells make and release a hormone called glucagon. The body sends a signal to the alpha cells to make glucagon when blood glucose falls too low. Then glucagon reaches the liver, where it tells it to release glucose into the blood for energy.