End organ

The term end organ or end-organ has two meanings in medicine:
 * A small organ at the terminal end of a nerve conduction pathway
 * Bulbous corpuscle (Ruffini corpuscle end-organ)
 * Tactile corpuscle (Meissner corpuscle end-organ)
 * Merkel nerve ending (Merkel corpuscle end-organ)
 * Neuromuscular junction (motor end-organ)
 * Lamellar corpuscle (Pacinian corpuscle end-organ)
 * The ultimately affected organ in a chain of events, such as a disease process (pathophysiology) or a drug's mechanism of action (sometimes called a target organ in this sense)
 * End organ damage, disease of such organs
 * Ambulatory blood pressure § Target organ damage
 * Sepsis § End-organ dysfunction
 * HFE hereditary haemochromatosis § End-organ damage