309
The presence of both receptors in the ciliary body would certainly provide an explanation for the shallow displacement curves observed in [ 3H ] 5 - HT binding studies with the tissue [ 110 ] , since this ligand can be used to label both receptors .
 Anatomy: ciliary body; Anatomy: tissue
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: ciliary body; Anatomy: tissue