Abstract
Cytoarchitectonic pattern of the telencephalon of a dwarf snakehead, Channa gachua, is studied by serial transverse sections of the brain (Kluver and Barrera staining). On the anteriormost extremity of the telencephalon, olfactory bulbs terminate that are sessile. The olfactory bulbs comprise four concentric layers, which from outside toward the center are olfactory nerve layer, a glomerular layer, mitral cell layer, and internal cell layer. Large terminal nerve ganglion cells are prominently visible in the dorsomedial position where the bulbs terminate on the telencephalon. In all, 24 nuclei are identified in the telencephalon on ventral and dorsal areas and are named according to their position. Ventral telencephalon exhibits 11 nuclei. On the dorsal telencephalon, there are 13 nuclei. These again are named according to their position on dorsal, ventral, median, lateral, or posterior part. This study reported for the first time in this fish will be useful in tracing the neuronal system of Channa gachua and subsequent studies of the functional aspects of these nuclei in the regulation of reproductive cycle of this species.
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References
Baile VV, Raut IN, Bhute YV (2008) Organization of olfactory system, forebrain and pituitary gland of a teleosts, Notopterus notopterus. Annals Neurosci 15:43–50
Bass AH (1981) Telencephalic efferents in the channel catfish, Ictalurus punctatus: projections to the olfactory bulb and optic tectum. Brain Behav Evol 19:1–16
Baylé JD, Ramade F, Oliver J (1974) Stereotaxic topography of the brain of the quail. J Physiol (Paris) 68:219–241
Bhute YV, Masram SC, Raut IN, Baile VV (2007) Cytoarchitectonic pattern of the olfactory system, forebrain and pitutitary gland of the Indian major carp, Labeo rohita. Annals Neurosci 14:30–36
Cerda-Reverter JM, Zanuy S, Munoz-Cueto JA (2001) Cytoarchitectonic study of the brain of a perciformis species, the sea bass (Dicentrarchus labrax). I. The telencephalon. J Morphol 247:217–228
Chakrabarty NM (2006) Murrels and Murrel culture. Narendra pub. Viii, 112 p
Díez C, Lara J, Alonso JR, Miguel JJ, Aijon J (1987) Microscopic structure of the brain of Barbus meridionalis. I. Telencephalon. J Hirnforsch 3:255–269
Finger TE (1975) The distribution of the olfactory tracts in the bullhead catfish. Ictalurus nebulosus. J Comp Neurol 161:125–141
Kluver H, Barrera E (1953) A method for the combined staining of cells and fibers in the neurons system. J Neuropathalo Exp Neurol 12:400–403
Kuenzel WJ, Masson L (1988) A stereotaxic atlas of the brain of the chick (Gallus domesticus). Johns Hopkins University Press, Baltimore
Marino-Neto J, Sabbatini REM (1988) A stereotaxic atlas for the telencephalon of the Siamese fighting fish (Betta splendens). Braz J Med Biol Res 21:97–986
Mikami S (1976) Ultrastructure of the organum vasculosum of laminea terminalia of the Japanese quail, Coturnix coturnix japonica. Cell Tissue Res 172:227–243
Munõz-Cueto JA, Sarasquete C, Zohar Y, Kah O (2001) An atlas of the brain of the gilthead seabream, Sparus aurata. Sea Grant University of Maryland, Baltimore
Murakami T, Morita Y, Ito H (1983) Extrinsic and intrinsic fiber connections of the telencephalon in a teleost Sebasticus marmoratus. J Comp Neurol 216:115–131
Nieuwenhuys R (1963) The comparative anatomy of the actinopterygian forebrain. J Hirnforsch 6:171–196
Northcutt RG (1995) The forebrain of gnathostomes: in search of a morphotype. Brain Behav Evol 46:275–318
Northcutt RG, Braford MR Jr (1980) New observation on the organization and evolution of the telencephalon of actinopterygian fishes. In: Ebbesson SOE (ed) Comparative neurology of the telencephalon. Plenum Press, New York, pp 41–98
Northcutt RG, Davis RE (1983) Telencephalic organization in ray-finned fishes. In: Davis RE, Northcutt RG (eds) Fish neurobiology, vol 2. University of Michigan Press, Ann Arbor, pp 203–236
Peter RE, Gill VE (1975) A stereotaxic atlas for forebrain nuclei of the goldfish, Carassius auratus. J Comp Neurol 159:69–102
Peter RE, Macey MJ, Gill VE (1975) A stereotaxic atlas for forebrain nuclei of the killifish, Fundulus heteroclitus. J Comp Neurol 159:103–128
Prasada Rao PD, Finger TE (1984) Asymmetry of the olfactory system in the brain of the winter flounder, Pseudopleuronectes americanus. J Comp Neurol 255:492–510
Prasada Rao PD, Subhedar N, Raju PD (1981) Cytoarchitectonic pattern of the hypothalamus in the cobra, Naja naja. Cell Tissue Res 217:503–529
Riedel G (1997) The forebrain of the blind cave fish Astyanax hubbsi (Characidae). I. General anatomy of telencephalon. Brain Behav Evol 49:20–38
Sakharkar AJ, Singru PS, Sarkar K, Subhedar NK (2005) Neuropeptide Y in the forebrain of the adult male cichlid fish, Oreochromis mossambicus: distribution, effects of castration and testosterone replacement. J Comp Neurol 489:148–165
Singh HR (1969) On the structure and relation of the habenula in some teleost. Zool Beitrage 15:457–464
Subhedar NK, Ramakrishna NS, Prasada Rao PD (1989) Cytoarchitectonic pattern in the hypothalamus of the crocodile, Gavialis gangeticus. Cell Tissue Res 255:89–105
Tsuneki K (1986) A survey of occurrence of about seventeen circumventricular organs in brains of various vertebrates with special reference to lower groups. J Hirnforsch 27:441–470
Wenger T, Tork I (1968) Studies on the organum vasculosum laminae terminalis. II. Comparative morphology of the organum vasculosum laminae terminalis of fishes, amphibian, reptiles, birds and mammals. Acta Biol Acad Sci Hung 19:83–96
Wullimann MF, Rupp B, Reichert H (1996) Neuroanatomy of Zebrafish brain: a topological atlas. Birkhaüser Verlag, Basel
Yamane Y, Yoshimoto M, Ito H (1996) Area dorsalis pars lateralis of the telencephalon in a teleost (Sebastiscus marmoratus) can be divided into dorsal and ventral regions. Brain Behav Evol 48:338–349
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This study was supported by the grants from University Grants Commission, under Major Research Project (F. No. 36-201/2008(SR), New Delhi, India.
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Baile, V.V., Patle, P.J. Cytoarchitectonic study of the brain of a dwarf snakehead, Channa gachua (Ham.). I. The telencephalon. Fish Physiol Biochem 37, 993–1004 (2011). https://doi.org/10.1007/s10695-011-9503-2
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DOI: https://doi.org/10.1007/s10695-011-9503-2