| Term: | post-vent region neoplasm | 
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. | 
| Name: | post-vent region | 
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| Synonyms: | tail | 
| Definition: | Organism subdivision which is the part of the body posterior to the vent which includes the anal and caudal fins. | 
| Ontology: | Anatomy Ontology [ZFA:0001117] | 
| Name: | neoplasm | 
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| Synonyms: | |
| Definition: | A tumor resulting from abnormal and uncontrolled autonomous new cell growth (proliferation)that may be benign or malignant. | 
| Ontology: | MPATH [MPATH:218] |