-gen

DEFINITION of -gen

forms nouns: gen- - produce; In medical and biological terminology, -gen indicates something that generates, produces, or gives rise to a substance, cell, condition, or process, often used for agents causing formation (e.g., pathogen = disease-producer) or precursors/origins (e.g., carcinogen = cancer-producer). It forms nouns for causal agents in pathology, genetics, and immunology, distinguishing producers (-gen) from products (-genous or -genesis); common in pharmacology for drug classes and oncology for tumor inducers.

---

ETYMOLOGY of -gen

From greek genēs (γενής), meaning “born, produced, causing to be.” Via french -gène and Scientific Latin, abstracted from oxygen (acid-producer); productive since 19th century in chemistry/medicine. Literally “that which begets/produces,” parallel to -genesis (process of formation).

---

RELATED TERMS to -gen

Term	Root + -gen	Meaning
Pathogen	patho- (disease) + -gen	Disease-causing organism.
carcinogen	carcin- (cancer) + -gen	Cancer-causing agent.
Allergen	allerg- (altered reaction) + -gen	Allergy trigger.
Antigen	anti- (against) + -gen	Immune response trigger.
Mutagen	muta- (change) + -gen	Mutation-causing agent.
Teratogen	terato- (monster) + -gen	Birth defect-causing agent.

---

DERIVATIONS of -gen

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(roots, (word) => econtains([[]].roots, word))) > 0 AND file.name != [[]].file.name
SORT file.name ASC

---

Query functionality

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name

Med roots dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms