When acyclovir is used to prevent outbreaks of genital herpes, it is usually taken two to five times a day for up to 12 months. Take acyclovir at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
A hormone is a chemical substance which helps regulate processes in the body. Hormones are always secreted by glands and travel in the bloodstream.Hormones are usually for one organ (often called the 'target organ').A Hormone can also be described as a chemical 'messenger'. hormone is a chemical substance which helps regulate processes in the body. Hormones are always secreted by glands and travel in the bloodstream. Hormones are usually for one organ (often called the 'target organ'). A Hormone can also be described as a chemical 'messenger'.
From Wikipedia, the free encyclopedia. In anatomy, the G cell is a type of cell in the stomach and duodenum that secretes gastrin. It works in conjunction with gastric chief cells and parietal cells. G cells are found deep within the pyloric glands of the stomach antrum, and occasionally in the pancreas and duodenum.The vagus nerve innervates the G cells.Gastrin-releasing peptide is released by the post-ganglionic fibers of the vagus nerve onto G cells during parasympathetic stimulation.n anatomy, the G cell is a type of cell in the stomach and duodenum that secretes gastrin.