1819
The enkephalin - ir cells and fibers in entorhinal / perirhinal cortex , which innervate rat hippocampus and dentate gyrus , do not contain dynorphin - ir .
 Anatomy: enkephalin - ir cells; Anatomy: fibers; Anatomy: entorhinal; Anatomy: perirhinal cortex; Anatomy: hippocampus; Anatomy: dentate gyrus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: enkephalin - ir cells; Anatomy: fibers; Anatomy: entorhinal; Anatomy: perirhinal cortex; Anatomy: hippocampus; Anatomy: dentate gyrus