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.
Noun. 1. pepsinogen-precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach. enzyme-any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions. 1  Facebook. 2  Twitter.