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  • 1
    Electronic Resource
    Electronic Resource
    Relation of the parabigeminal nucleus to the superior colliculus and dorsal lateral geniculate nucleus in the hooded rat (1984)
    Springer
    Experimental brain research 56 (1984), S. 144-148 
    Details
    ISSN: 1432-1106
    Keywords: Rat ; Parabigeminal nucleus ; Superior colliculus ; Lateral geniculate nucleus ; HRP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The retino-recipient layers of the superior colliculus project predominantly to the dorsal and ventral divisions of the ipsilateral parabigeminal nucleus, while receiving an input chiefly from the medial division of the contralateral nucleus. A variety of retrograde tracing techniques was used to confirm that there is a projection from the medial division of the parabigeminal nucleus to the contralateral dorsal lateral geniculate nucleus in normal adult hooded rats. Some parabigeminal cells branch to supply both dorsal lateral geniculate nucleus and retino-recipient layers of the superior colliculus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00237450
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ontogeny of centers containing luteinizing hormone-releasing hormone in the brain of platyfish (Xiphophorus maculatus) as determined by immunocytochemistry (1983)
    Springer
    Cell & tissue research 229 (1983), S. 75-84 
    Details
    ISSN: 1432-0878
    Keywords: Immunocytochemistry ; Ontogeny ; LHRH ; Brain ; Teleost fish
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We have traced the development from birth to puberty of the ir-LHRH producing centers, the nucleus olfactoretinalis (NOR), nucleus praeopticus periventricularis (NPP) and nucleus lateralis tuberis pars posterior (NLT), in male sibling platyfish genetically determined by differing P alleles to mature at two different ages. In sexually immature fish of both genotypes ir-LHRH is first localized in the NOR in perikarya and neuronal fibers and in the NPP where it is limited to the fibers. At the onset of puberty in early maturing fish (11 weeks), ir-LHRH accumulates in perikarya and fibers of the NPP and NLT. Late maturing siblings first have ir-perikarya in the NPP and a few ir-fibers in the NLT at the same developmental stage but at a later age (25–26 weeks). Ir-perikarya are still not seen in the NLT in late-maturing fish even when maturation is complete. This pattern of a sequential development of the three ir-LHRH containing areas of the brain, which we refer to as a “cascade effect”, is similar in early and late genotypes. It is directly correlated to stage of development and not to chronological age. It is clear that the appearance of LHRH producing brain centers precedes, and is presumably essential for, the completion of the development of pituitary gonadotrops and the subsequent maturation of the gonads. The functional significance of the NOR in puberty and reproduction and as a possible site of action for the P gene is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00217881
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cross-reactivity between human and fish pituitary hormones as demonstrated by immunocytochemistry (1981)
    Springer
    Cell & tissue research 221 (1981), S. 257-267 
    Details
    ISSN: 1432-0878
    Keywords: Immunocytochemistry ; Human pituitary hormone antisera ; Platyfish ; Pituitary gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In this communication we describe the immunocytochemical cross-reactivity between antisera to various human pituitary hormones and specific hormone producing cell types in the pituitary gland of sexually mature male platyfish (Xiphophorus maculatus). Antisera to human pituitary hormones cross-reacted either with cells known to produce corresponding hormones (or hormone subunits) in the platyfish (e.g., ACTH, prolactin, TSH β, LH α, FSH α, TSH α) or with no pituitary cells at all (e.g., LH β, FSH β). The one exception was antiserum to human growth hormone which cross-reacted with MSH and ACTH producing cells. The platyfish pituitary is proposed as a test system for immunocytochemically screening antisera for purity and specificity in order to determine their applicability in particular studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216730
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    Paper (German National Licenses)
    Fulltext
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