In the goldfish brain, UI mRNA is mainly expressed in the telencephalon/preoptic space, and in addition inside the optic tectum/thalamus, hypothalamus, cerebellum, and medulla oblongata, although not inside the olfactory bulb and pituitary. During the white sucker brain, UI mRNA is detected from the preoptic region plus the nucleus on https://urotensiniacetate83930-3382467.activablog.com/35305718/the-definitive-guide-to-crf-receptor-agonist