By Dr. Nicholas J. Bernier, Dr. Glen Van Der Kraak, Dr. Anthony P. Farrell and Dr. Colin J. Brauner (Eds.)
The examine of fish neuroendocrinology has had an important influence on our basic knowing of the useful roles and evolution of quite a few neurochemical messengers and structures. not just do fish own designated neuroendocrine positive aspects, they've got additionally been and stay a major vertebrate types for the invention of latest neuropeptides. within the final fifty years, neuroendocrinologists have documented a posh and probably endless variety of interactions among hormones and nerve buildings. progressively rising from this information is an figuring out of the explicit neurohormonal pathways and the messengers chargeable for protecting homeostasis in an aquatic atmosphere and for regulating the sensible platforms that let for the hugely diversified existence histories and reproductive strategies of fish regardless of its contemporary development, breadth and distinctive attributes, there's no unmarried textual content overlaying the self-discipline of fish neuroendocrinology. actually, except a number of mammalian neuroendocrinology textbooks, there's a critical loss of texts in comparative neuroendocrinology. at present, info at the anatomical association and serve as of a few of the neuroendocrine platforms in fish is barely to be had in unique study papers and reports. by way of offering a present and entire quantity that highlights the categorical houses of fish neuroendocrinology, this ebook will transcend being the single reference textual content for fish neuroendocrinologists and also will serve comparative physiologists, endocrinologists, neuroanatomists and behaviourists drawn to realizing the reciprocal activities among the worried and endocrine structures. * Highlights the explicit homes of fish neuroendocrinology * Emphasises the diversity and diversity of interactions among neurobiology and endocrinology * Discuses either anatomical and useful facets of the Neuroendocrine approach * additionally serves comparative physiologists, endocrinologists, neuroanatomists and behaviourists attracted to figuring out the reciprocal activities among the frightened and endocrine platforms
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1988); Moons et al. (1988, 1989); Pan et al. (1985)>; Olivereau et al. (1990); Miranda et al. (2002) Parhar and Iwata (1994); Parhar et al. (1995); Parhar (1997); Batten et al. (1999); Vissio et al. (1999); Mousa and Mousa (2003); Pandolfi et al. (2005) Himick and Peter (1995) (continued) 1. 3 (continued) Peptide Target cell type Observations IST MSH, ACTH, SL, GH, TSH, MCH Blood capillaries, MSH, SL, ACTH Occasionally GTH and PRL, practically overlapping AVT innervation. 9 for details Local production in RPD (potential paracrine eVect).
Studies in Atlantic salmon also reported DiI‐ labeled cells in the most rostral preoptic region, which were similar in size and morphology to those of the NPOgc but clearly separated from the main cell masses of the NPO. They suggested naming this cell group the rostral preoptic area (NPOr). The tuberal hypothalamus is the second major area innervating the teleost pituitary. Studies in several species have reported consistently the presence of labeled cells of the tuberal hypothalamus within the dorsal, ventral lateral and caudal hypothalamus.
However, not all AVT‐ir neurons are hypophysiotropic since some cell bodies, especially in the PMgc, were not DiI labeled. The AVT neurons in the PPa did not show retrograde labeling and therefore were suggested to be AVT‐ir non‐hypophysiotropic preoptic neurons. This study reported hypothalamic and extrahypothalamic projections of the preoptic neurosecretory AVT‐ir cells (Holmqvist and Ekstro¨m, 1995) as also reported in the plainfin midshipman (Goodson and Bass, 2001). Detailed work in rainbow trout using single‐cell staining techniques supported these studies and further showed that in all studied cases, AVT‐ir neurons simultaneously project toward the pituitary and the extrahypothalamic regions, including the ventral telencephalon, thalamus and mesencephalon.