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The comparative distribution of peptidergic neural systems in the brain of the euryhaline, viviparous teleost Poecilia latipinna (green molly) was examined by immunohistochemistry. Topographically distinct, but often overlapping, systems of neurons and fibres displaying immunoreactivity (ir) related to a range of neuropeptides were found in most brain(More)
Immunohistochemical study of brains of five teleost fishes (molly, sea bass, killifish, flounder, tilapia) revealed similar extensive systems of galanin immunoreactive (GAL-ir) neurons. Cell bodies were located in the anterior preoptic recess (where coexistence with corticotrophin-releasing factor-like-ir was found), posterior tuberal hypothalamus and vagal(More)
The hypothalamic inferior lobes of 5 species of teleost fishes receive a prominent innervation by calcitonin gene-related peptide (CGRP)-like immunoreactive fibres. At electron microscopic level these contain immunostained dense-cored vesicles, and make synaptic connections with subependymal neurons surrounding the lateral recess. A proportion of the fibres(More)
The immunohistochemical distribution of thyrotropin-releasing hormone-like immunoreactivity (TRH-ir) in the brain and pituitary of the sea bass (Dicentrarchus labrax) was examined on cryostat sections of tissues perfuse fixed in a formaldehyde-glutaraldehyde mixture. TRH-ir fibres were found in many areas of the brain: dorsal and ventral telencephalon,(More)
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