Cervical spine fractures can occur secondary to exaggerated flexion or extension, or because of direct trauma or axial loading. Pathology. The cervical spine is susceptible to injury because it is highly mobile with relatively small vertebral bodies and supports the head which is both heavy and acts as a lever.
The inactive molecule pepsinogen is cleaved in a strongly acidic environment to give off the active enzyme, pepsin. Pepsinogen is produced in the stomach by chief cells.
Pepsin is a digestive enzyme that breaks down proteins in the stomach. This digestive enzyme is created as pepsinogen in the stomach, but it quickly converts to pepsin once it encounters the acidic environment of the stomach. Continue Reading.