Neural connections of the pineal organ in the primitive bony fish Acipenser baeri: A carbocyanine dye tract‐tracing study
Identifieur interne : 001855 ( Main/Merge ); précédent : 001854; suivant : 001856Neural connections of the pineal organ in the primitive bony fish Acipenser baeri: A carbocyanine dye tract‐tracing study
Auteurs : Julián Yá Ez [Espagne] ; Ram N Anad N [Espagne]Source :
- Journal of Comparative Neurology [ 0021-9967 ] ; 1998-08-24.
English descriptors
- KwdEn :
Abstract
The pineal organ of the sturgeon (Acipenser baeri; Chondrostei) consists of an elongated terminal vesicle and a long stalk that runs to the region of the posterior commissure. In order to investigate the neural connections of the pineal organ of the sturgeon, a fluorescent indocarbocyanine (DiI) was applied to the pineal stalk of paraformaldehyde‐fixed brains. This application strongly labeled the pineal tracts (right and left), which form an extensive bilateral projection to the brain. The fibers of these tracts could be followed to their different targets in the brain, namely the preoptic region, the rostral habenulae, the medial subhabenular and retrohabenular (post‐ and subcommissural) region, the medial thalamus, the dorsal hypothalamus, the pretectal area, and medial and dorsolateral tegmental mesencephalic regions (interstitial nucleus of Cajal, oculomotor nucleus, mesencephalic reticular area, nucleus profundus mesencephali, and central gray). A few fibers reach the interpeduncular nucleus and the rostral optic tectum. Pinealofugal fibers branched profusely, and some of them crossed the midline ventrally in the optic chiasma, the postoptic commissure, the conspicuous preinfundibular commissure or, occasionally, the mesencephalic tegmentum. In addition to pinealofugal fibers, this type of DiI application labeled a few cells, here interpreted as pinealopetal neurons, in the posthabenular‐dorsomedial thalamic region and the central gray of the mesencephalon. The wide distribution of pinealofugal projections in sturgeon is reminiscent of that in the lamprey. Comparison of the present findings with those of other authors in teleosts, amphibians, and reptiles also suggests that there has been a reduction in the number of pineal projections in these lines. J. Comp. Neurol. 398:151–161, 1998. © 1998 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/(SICI)1096-9861(19980824)398:2<151::AID-CNE1>3.0.CO;2-#
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 001318
- to stream Istex, to step Curation: 001316
- to stream Istex, to step Checkpoint: 000E40
Links to Exploration step
ISTEX:213A8E4EDB66B6E1357109EF2CD45585225ED9F3Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Neural connections of the pineal organ in the primitive bony fish Acipenser baeri: A carbocyanine dye tract‐tracing study</title><author><name sortKey="Ya Ez, Julian" sort="Ya Ez, Julian" uniqKey="Ya Ez J" first="Julián" last="Yá Ez">Julián Yá Ez</name></author><author><name sortKey="Anad N, Ram N" sort="Anad N, Ram N" uniqKey="Anad N R" first="Ram N" last="Anad N">Ram N Anad N</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:213A8E4EDB66B6E1357109EF2CD45585225ED9F3</idno><date when="1998" year="1998">1998</date><idno type="doi">10.1002/(SICI)1096-9861(19980824)398:2<151::AID-CNE1>3.0.CO;2-#</idno><idno type="url">https://api.istex.fr/document/213A8E4EDB66B6E1357109EF2CD45585225ED9F3/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001318</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001318</idno><idno type="wicri:Area/Istex/Curation">001316</idno><idno type="wicri:Area/Istex/Checkpoint">000E40</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000E40</idno><idno type="wicri:doubleKey">0021-9967:1998:Ya Ez J:neural:connections:of</idno><idno type="wicri:Area/Main/Merge">001855</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Neural connections of the pineal organ in the primitive bony fish Acipenser baeri: A carbocyanine dye tract‐tracing study</title><author><name sortKey="Ya Ez, Julian" sort="Ya Ez, Julian" uniqKey="Ya Ez J" first="Julián" last="Yá Ez">Julián Yá Ez</name><affiliation wicri:level="2"><country xml:lang="fr">Espagne</country><wicri:regionArea>Departamento de Biología Celular y Molecular, Facultad de Ciencias, Universidad de La Coruñ, 15071 La Coruña</wicri:regionArea><placeName><region nuts="2" type="communauté">Galice</region></placeName></affiliation></author><author><name sortKey="Anad N, Ram N" sort="Anad N, Ram N" uniqKey="Anad N R" first="Ram N" last="Anad N">Ram N Anad N</name><affiliation wicri:level="2"><country xml:lang="fr">Espagne</country><wicri:regionArea>Departamento de Biología Fundamental, Facultad de Biología, Universidad de Santiago de Compostela, 15706 Santiago de Compostela</wicri:regionArea><placeName><region nuts="2" type="communauté">Galice</region></placeName></affiliation><affiliation wicri:level="2"><country xml:lang="fr">Espagne</country><wicri:regionArea>Departamento de Biología Fundamental, Facultad de Biología, Universidad de Santiago de Compostela, 15706‐Santiago de Compostela</wicri:regionArea><placeName><region nuts="2" type="communauté">Galice</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Comparative Neurology</title><title level="j" type="abbrev">J. Comp. Neurol.</title><idno type="ISSN">0021-9967</idno><idno type="eISSN">1096-9861</idno><imprint><publisher>John Wiley & Sons, Inc.</publisher><pubPlace>New York</pubPlace><date type="published" when="1998-08-24">1998-08-24</date><biblScope unit="volume">398</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="151">151</biblScope><biblScope unit="page" to="161">161</biblScope></imprint><idno type="ISSN">0021-9967</idno></series><idno type="istex">213A8E4EDB66B6E1357109EF2CD45585225ED9F3</idno><idno type="DOI">10.1002/(SICI)1096-9861(19980824)398:2<151::AID-CNE1>3.0.CO;2-#</idno><idno type="ArticleID">CNE1</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0021-9967</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser baeri (Chondrostei)</term><term>afferents</term><term>bony fishes</term><term>pineal connections</term><term>pinealopetal neurons</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The pineal organ of the sturgeon (Acipenser baeri; Chondrostei) consists of an elongated terminal vesicle and a long stalk that runs to the region of the posterior commissure. In order to investigate the neural connections of the pineal organ of the sturgeon, a fluorescent indocarbocyanine (DiI) was applied to the pineal stalk of paraformaldehyde‐fixed brains. This application strongly labeled the pineal tracts (right and left), which form an extensive bilateral projection to the brain. The fibers of these tracts could be followed to their different targets in the brain, namely the preoptic region, the rostral habenulae, the medial subhabenular and retrohabenular (post‐ and subcommissural) region, the medial thalamus, the dorsal hypothalamus, the pretectal area, and medial and dorsolateral tegmental mesencephalic regions (interstitial nucleus of Cajal, oculomotor nucleus, mesencephalic reticular area, nucleus profundus mesencephali, and central gray). A few fibers reach the interpeduncular nucleus and the rostral optic tectum. Pinealofugal fibers branched profusely, and some of them crossed the midline ventrally in the optic chiasma, the postoptic commissure, the conspicuous preinfundibular commissure or, occasionally, the mesencephalic tegmentum. In addition to pinealofugal fibers, this type of DiI application labeled a few cells, here interpreted as pinealopetal neurons, in the posthabenular‐dorsomedial thalamic region and the central gray of the mesencephalon. The wide distribution of pinealofugal projections in sturgeon is reminiscent of that in the lamprey. Comparison of the present findings with those of other authors in teleosts, amphibians, and reptiles also suggests that there has been a reduction in the number of pineal projections in these lines. J. Comp. Neurol. 398:151–161, 1998. © 1998 Wiley‐Liss, Inc.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Eau/explor/EsturgeonV1/Data/Main/Merge
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 001855 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Merge/biblio.hfd -nk 001855 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Wicri/Eau
|area= EsturgeonV1
|flux= Main
|étape= Merge
|type= RBID
|clé= ISTEX:213A8E4EDB66B6E1357109EF2CD45585225ED9F3
|texte= Neural connections of the pineal organ in the primitive bony fish Acipenser baeri: A carbocyanine dye tract‐tracing study
}}
| This area was generated with Dilib version V0.6.27. |  |