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Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae
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| Zeitschriftentitel: | Acta Zoologica |
|---|---|
| Personen und Körperschaften: | , |
| In: | Acta Zoologica, 70, 1989, 1, S. 47-52 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Tsuneki, K. Nozaki, M. Tsuneki, K. Nozaki, M. |
|---|---|
| author |
Tsuneki, K. Nozaki, M. |
| spellingShingle |
Tsuneki, K. Nozaki, M. Acta Zoologica Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae Cell Biology Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
| author_sort |
tsuneki, k. |
| spelling |
Tsuneki, K. Nozaki, M. 0001-7272 1463-6395 Wiley Cell Biology Animal Science and Zoology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/j.1463-6395.1989.tb01051.x <jats:title>Abstract</jats:title><jats:p>The neurohypophysis of three species of the Osteoglossidae (<jats:italic>Osteoglossum bicirrhosum, Scleropages jardini</jats:italic> and <jats:italic>Heterotis niloticus</jats:italic>) was studied histologically. The rostral part of the neurohypophysis abuts on the pars distalis of the adenohypophysis, but does not interdigitate with it. The caudal part of the neurohypophysis is stained densely with aldehyde fuchsin and extensively interdigitates with the pars intermedia, forming a neurointermediate lobe. This organization of the neurohypophysis is intermediate between that of holosteans and that of non‐osteoglossomorph teleosts. The median eminence‐like features of the rostral part of the neurohypophysis are distinct in the Osteoglossidae in contrast to non‐osteoglossomorph teleosts. In <jats:italic>Osteoglossum bicirrhosum</jats:italic>, immunohistochemical study reveals the presence of somatotropin release‐inhibiting factor‐like substance in the rostral part of the neurohypophysis. Fibers immunoreactive to anti‐arginine vasopressin occur in the neurointermediate lobe almost exclusively. These observations also may support the assumption that the rostral part of the neurohypophysis corresponds functionally to the median eminence. For comparison, the occurrence and distribution of somatotropin release‐inhibiting factor‐like substance, luteinizing hormone‐releasing factor‐like substance and arginine vasopressin‐like substance in the neurohypophysis of <jats:italic>Gymnarchus niloticus</jats:italic> are described.</jats:p> Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae Acta Zoologica |
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10.1111/j.1463-6395.1989.tb01051.x |
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Wiley, 1989 |
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Wiley, 1989 |
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Acta Zoologica |
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| title |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_unstemmed |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_full |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_fullStr |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_full_unstemmed |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_short |
Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_sort |
histological and immunohistochemical studies of the neurohypophysis of primitive teleosts, the osteoglossidae |
| topic |
Cell Biology Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
| url |
http://dx.doi.org/10.1111/j.1463-6395.1989.tb01051.x |
| publishDate |
1989 |
| physical |
47-52 |
| description |
<jats:title>Abstract</jats:title><jats:p>The neurohypophysis of three species of the Osteoglossidae (<jats:italic>Osteoglossum bicirrhosum, Scleropages jardini</jats:italic> and <jats:italic>Heterotis niloticus</jats:italic>) was studied histologically. The rostral part of the neurohypophysis abuts on the pars distalis of the adenohypophysis, but does not interdigitate with it. The caudal part of the neurohypophysis is stained densely with aldehyde fuchsin and extensively interdigitates with the pars intermedia, forming a neurointermediate lobe. This organization of the neurohypophysis is intermediate between that of holosteans and that of non‐osteoglossomorph teleosts. The median eminence‐like features of the rostral part of the neurohypophysis are distinct in the Osteoglossidae in contrast to non‐osteoglossomorph teleosts. In <jats:italic>Osteoglossum bicirrhosum</jats:italic>, immunohistochemical study reveals the presence of somatotropin release‐inhibiting factor‐like substance in the rostral part of the neurohypophysis. Fibers immunoreactive to anti‐arginine vasopressin occur in the neurointermediate lobe almost exclusively. These observations also may support the assumption that the rostral part of the neurohypophysis corresponds functionally to the median eminence. For comparison, the occurrence and distribution of somatotropin release‐inhibiting factor‐like substance, luteinizing hormone‐releasing factor‐like substance and arginine vasopressin‐like substance in the neurohypophysis of <jats:italic>Gymnarchus niloticus</jats:italic> are described.</jats:p> |
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| description | <jats:title>Abstract</jats:title><jats:p>The neurohypophysis of three species of the Osteoglossidae (<jats:italic>Osteoglossum bicirrhosum, Scleropages jardini</jats:italic> and <jats:italic>Heterotis niloticus</jats:italic>) was studied histologically. The rostral part of the neurohypophysis abuts on the pars distalis of the adenohypophysis, but does not interdigitate with it. The caudal part of the neurohypophysis is stained densely with aldehyde fuchsin and extensively interdigitates with the pars intermedia, forming a neurointermediate lobe. This organization of the neurohypophysis is intermediate between that of holosteans and that of non‐osteoglossomorph teleosts. The median eminence‐like features of the rostral part of the neurohypophysis are distinct in the Osteoglossidae in contrast to non‐osteoglossomorph teleosts. In <jats:italic>Osteoglossum bicirrhosum</jats:italic>, immunohistochemical study reveals the presence of somatotropin release‐inhibiting factor‐like substance in the rostral part of the neurohypophysis. Fibers immunoreactive to anti‐arginine vasopressin occur in the neurointermediate lobe almost exclusively. These observations also may support the assumption that the rostral part of the neurohypophysis corresponds functionally to the median eminence. For comparison, the occurrence and distribution of somatotropin release‐inhibiting factor‐like substance, luteinizing hormone‐releasing factor‐like substance and arginine vasopressin‐like substance in the neurohypophysis of <jats:italic>Gymnarchus niloticus</jats:italic> are described.</jats:p> |
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| imprint_str_mv | Wiley, 1989 |
| institution | DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161 |
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| spelling | Tsuneki, K. Nozaki, M. 0001-7272 1463-6395 Wiley Cell Biology Animal Science and Zoology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/j.1463-6395.1989.tb01051.x <jats:title>Abstract</jats:title><jats:p>The neurohypophysis of three species of the Osteoglossidae (<jats:italic>Osteoglossum bicirrhosum, Scleropages jardini</jats:italic> and <jats:italic>Heterotis niloticus</jats:italic>) was studied histologically. The rostral part of the neurohypophysis abuts on the pars distalis of the adenohypophysis, but does not interdigitate with it. The caudal part of the neurohypophysis is stained densely with aldehyde fuchsin and extensively interdigitates with the pars intermedia, forming a neurointermediate lobe. This organization of the neurohypophysis is intermediate between that of holosteans and that of non‐osteoglossomorph teleosts. The median eminence‐like features of the rostral part of the neurohypophysis are distinct in the Osteoglossidae in contrast to non‐osteoglossomorph teleosts. In <jats:italic>Osteoglossum bicirrhosum</jats:italic>, immunohistochemical study reveals the presence of somatotropin release‐inhibiting factor‐like substance in the rostral part of the neurohypophysis. Fibers immunoreactive to anti‐arginine vasopressin occur in the neurointermediate lobe almost exclusively. These observations also may support the assumption that the rostral part of the neurohypophysis corresponds functionally to the median eminence. For comparison, the occurrence and distribution of somatotropin release‐inhibiting factor‐like substance, luteinizing hormone‐releasing factor‐like substance and arginine vasopressin‐like substance in the neurohypophysis of <jats:italic>Gymnarchus niloticus</jats:italic> are described.</jats:p> Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae Acta Zoologica |
| spellingShingle | Tsuneki, K., Nozaki, M., Acta Zoologica, Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae, Cell Biology, Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics |
| title | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_full | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_fullStr | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_full_unstemmed | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_short | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| title_sort | histological and immunohistochemical studies of the neurohypophysis of primitive teleosts, the osteoglossidae |
| title_unstemmed | Histological and Immunohistochemical Studies of the Neurohypophysis of Primitive Teleosts, the Osteoglossidae |
| topic | Cell Biology, Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.1111/j.1463-6395.1989.tb01051.x |